11582 3SCF isn't the object-caching memory allocation library

   1 '\" te
   2 .\" Copyright 2017 Peter Tribble
   3 .\" Copyright 2015 Joyent, Inc.
   4 .\" Copyright (c) 2009, Sun Microsystems, Inc. All Rights Reserved.
   5 .\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License").  You may not use this file except in compliance with the License. You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing.
   6 .\"  See the License for the specific language governing permissions and limitations under the License. When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE.  If applicable, add the following below this CDDL HEADER, with
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   8 .TH INTRO 3 "Nov 26, 2017"
   9 .SH NAME
  10 Intro, intro \- introduction to functions and libraries
  11 .SH DESCRIPTION
  12 .LP
  13 This section describes functions found in various Solaris libraries, other than
  14 those functions described in Section 2 of this manual that directly invoke UNIX
  15 system primitives. Function declarations can be obtained from the
  16 \fB#include\fR files indicated on each page. Pages are grouped by library and
  17 are identified by the library name (or an abbreviation of the library name)
  18 after the section number. Collections of related libraries are grouped into
  19 volumes as described below. The first volume contains pages describing the
  20 contents of each shared library and each header used by the functions, macros,
  21 and external variables described in the remaining volumes.
  22 .SS "Library Interfaces and Headers"
  23 .LP
  24 This volume describes the contents of each shared library and each header used
  25 by functions, macros, and external variables described in the remaining
  26 volumes.
  27 .sp
  28 .ne 2
  29 .na
  30 \fB(3LIB)\fR
  31 .ad
  32 .sp .6
  33 .RS 4n
  34 The libraries described in this section are implemented as shared objects.
  35 .sp
  36 Descriptions of shared objects can include a definition of the global symbols
  37 that define the shared objects' public interface, for example \fBSUNW_1.1\fR.
  38 Other interfaces can exist within the shared object, for example
  39 \fBSUNWprivate.1.1\fR. The public interface provides a stable, committed set of
  40 symbols for application development. The private interfaces are for internal
  41 use only, and could change at any time.
  42 .RE
  43 
  44 .sp
  45 .ne 2
  46 .na
  47 \fB(3HEAD)\fR
  48 .ad
  49 .sp .6
  50 .RS 4n
  51 The headers described in this section are used by functions, macros, and
  52 external variables. Headers contain function prototypes, definitions of
  53 symbolic constants, common structures, preprocessor macros, and defined types.
  54 Each function described in the remaining five volumes specifies the headers
  55 that an application must include in order to use that function. In most cases
  56 only one header is required. These headers are present on an application
  57 development system; they do have to be present on the target execution system.
  58 .RE
  59 
  60 .SS "Basic Library Functions"
  61 .LP
  62 The functions described in this volume are the core C library functions that
  63 are basic to application development.
  64 .sp
  65 .ne 2
  66 .na
  67 \fB(3C)\fR
  68 .ad
  69 .sp .6
  70 .RS 4n
  71 These functions, together with those of Section 2, constitute the standard C
  72 library, \fBlibc\fR, which is automatically linked by the C compilation system.
  73 The standard C library is implemented as a shared object, \fBlibc.so\fR. See
  74 \fBlibc\fR(3LIB) and the "C Compilation System" chapter of the \fIANSI C
  75 Programmer's Guide\fR for a discussion. Some functions behave differently in
  76 standard-conforming environments. This behavior is noted on the individual
  77 manual pages. See \fBstandards\fR(5).
  78 .sp
  79 The \fBlibpthread\fR and \fBlibthread\fR libraries are filter libraries on
  80 \fBlibc\fR that are used for building multithreaded applications:
  81 \fBlibpthread\fR implements the POSIX (see \fBstandards\fR(5)) threads
  82 interface, whereas \fBlibthread\fR implements the Solaris threads interface.
  83 See \fBMULTITHREADED APPLICATIONS\fR, below.
  84 .RE
  85 
  86 .sp
  87 .ne 2
  88 .na
  89 \fB(3C_DB)\fR
  90 .ad
  91 .sp .6
  92 .RS 4n
  93 These functions constitute the threads debugging library, \fBlibc_db\fR. This
  94 library is implemented as a shared object, \fBlibc_db.so\fR, but is not
  95 automatically linked by the C compilation system. Specify \fB-lc_db\fR on the
  96 \fBcc\fR command line to link with this library. See \fBlibc_db\fR(3LIB).
  97 .RE
  98 
  99 .sp
 100 .ne 2
 101 .na
 102 \fB(3MALLOC)\fR
 103 .ad
 104 .sp .6
 105 .RS 4n
 106 These functions constitute the various memory allocation libraries:
 107 \fBlibmalloc\fR, \fBlibbsdmalloc\fR, \fBlibmapmalloc\fR, \fBlibmtmalloc\fR, and
 108 \fBlibumem\fR. Each of these libraries is implemented as a shared object
 109 (\fBlibmalloc.so\fR, \fBlibbsdmalloc.so\fR, \fBlibmapmalloc.so\fR,
 110 \fBlibmtmalloc.so\fR, and \fBlibumem.so\fR). These libraries are not
 111 automatically linked by the C compilation system. Specify \fB-lmalloc\fR,
 112 \fB-lbsdmalloc\fR, \fB-lmapmalloc\fR, \fB-lmtmalloc\fR, and \fB-lumem\fR to
 113 link with, respectively, \fBlibmalloc\fR, \fBlibbsdmalloc\fR,
 114 \fBlibmapmalloc\fR, \fBlibmtmalloc\fR, and \fBlibumem\fR. See
 115 \fBlibmalloc\fR(3LIB), \fBlibbsdmalloc\fR(3LIB), \fBlibmapmalloc\fR(3LIB),
 116 \fBlibmtmalloc\fR(3LIB), and \fBlibumem\fR(3LIB).
 117 .RE
 118 
 119 .SS "Networking Library Functions"
 120 .LP
 121 The functions described in this volume comprise the various networking
 122 libraries.
 123 .sp
 124 .ne 2
 125 .na
 126 \fB(3COMMPUTIL)\fR
 127 .ad
 128 .sp .6
 129 .RS 4n
 130 These functions constitute the communication protocol parser utilities library,
 131 \fBlibcommputil\fR. This library is implemented as a shared object,
 132 \fBlibcommputil.so\fR, but it is not automatically linked by the C compilation
 133 system. Specify \fB-lcommputil\fR on the \fBcc\fR command line to link with
 134 this library. See \fBlibcommputil\fR(3LIB).
 135 .RE
 136 
 137 .sp
 138 .ne 2
 139 .na
 140 \fB(3DLPI)\fR
 141 .ad
 142 .sp .6
 143 .RS 4n
 144 These functions constitute the data link provider interface library,
 145 \fBlibdlpi\fR. This library is implemented as a shared object,
 146 \fBlibdlpi.so\fR, but it is not automatically linked by the C compilation
 147 system. Specify \fB-ldlpi\fR on the \fBcc\fR command line to link with this
 148 library. See \fBlibdlpi\fR(3LIB).
 149 .RE
 150 
 151 .sp
 152 .ne 2
 153 .na
 154 \fB(3DNS_SD)\fR
 155 .ad
 156 .sp .6
 157 .RS 4n
 158 These functions constitute the DNS service discovery library, \fBlibdns_sd\fR.
 159 This library is implemented as a shared object, \fBlibdns_sd.so\fR, but it is
 160 not automatically linked by the C compilation system. Specify \fB-ldns_sd\fR on
 161 the \fBcc\fR command line to link with this library. See \fBlibdns_sd\fR(3LIB).
 162 .RE
 163 
 164 .sp
 165 .ne 2
 166 .na
 167 \fB(3GSS)\fR
 168 .ad
 169 .sp .6
 170 .RS 4n
 171 These functions constitute the generic security services library. This library
 172 is implemented as a shared object, \fBlibgss.so\fR, but it is not automatically
 173 linked by the C compilation system. Specify \fB-lgss\fR on the \fBcc\fR command
 174 line to link with this library. See \fBlibgss\fR(3LIB).
 175 .RE
 176 
 177 .sp
 178 .ne 2
 179 .na
 180 \fB(3LDAP)\fR
 181 .ad
 182 .sp .6
 183 .RS 4n
 184 These functions constitute the lightweight directory access protocol library,
 185 \fBlibldap\fR. This library is implemented as a shared object,
 186 \fBlibldap.so\fR, but is not automatically linked by the C compilation system.
 187 Specify \fB-lldap\fR on the \fBcc\fR command line to link with this library.
 188 See \fBldap\fR(3LDAP).
 189 .RE
 190 
 191 .sp
 192 .ne 2
 193 .na
 194 \fB(3NSL)\fR
 195 .ad
 196 .sp .6
 197 .RS 4n
 198 These functions constitute the network service library, \fBlibnsl\fR. This
 199 library is implemented as a shared object, \fBlibnsl.so\fR, but is not
 200 automatically linked by the C compilation system. Specify \fB-lnsl\fR on the
 201 \fBcc\fR command line to link with this library. See \fBlibnsl\fR(3LIB).
 202 .sp
 203 Many base networking functions are also available in the X/Open networking
 204 interfaces library, \fBlibxnet\fR. See section (3XNET) below for more
 205 information on the \fBlibxnet\fR interfaces.
 206 .RE
 207 
 208 .sp
 209 .ne 2
 210 .na
 211 \fB(3RESOLV)\fR
 212 .ad
 213 .sp .6
 214 .RS 4n
 215 These functions constitute the resolver library, \fBlibresolv\fR. This library
 216 is implemented as a shared object, \fBlibresolv.so\fR, but is not automatically
 217 linked by the C compilation system. Specify \fB-lresolv\fR on the \fBcc\fR
 218 command line to link with this library. See \fBlibresolv\fR(3LIB).
 219 .RE
 220 
 221 .sp
 222 .ne 2
 223 .na
 224 \fB(3RPC)\fR
 225 .ad
 226 .sp .6
 227 .RS 4n
 228 These functions constitute the remote procedure call libraries, \fBlibrpcsvc\fR
 229 and \fBlibrpcsoc\fR. The latter is provided for compatibility only; new
 230 applications should not link to it. Both libraries are implemented as shared
 231 objects, \fBlibrpcsvc.so\fR and \fBlibrpcsoc.so\fR, respectively. Neither
 232 library is automatically linked by the C compilation system. Specify
 233 \fB-lrpcsvc\fR or \fB-lrpcsoc\fR on the \fBcc\fR command line to link with
 234 these libraries. See \fBlibrpcsvc\fR(3LIB).
 235 .RE
 236 
 237 .sp
 238 .ne 2
 239 .na
 240 \fB(3SASL)\fR
 241 .ad
 242 .sp .6
 243 .RS 4n
 244 These functions constitute the simple authentication and security layer
 245 library, \fBlibsasl\fR. This library is implemented as a shared object,
 246 \fBlibsasl.so\fR, but it is not automatically linked by the C compilation
 247 system. Specify \fB-lsasl\fR on the \fBcc\fR command line to link with this
 248 library. See \fBlibsasl\fR(3LIB).
 249 .RE
 250 
 251 .sp
 252 .ne 2
 253 .na
 254 \fB(3SIP)\fR
 255 .ad
 256 .sp .6
 257 .RS 4n
 258 These functions constitute the session initiation protocol library,
 259 \fBlibsip\fR. This library is implemented as a shared object, \fBlibsip.so\fR,
 260 but it is not automatically linked by the C compilation system. Specify
 261 \fB-lsip\fR on the \fBcc\fR command line to link with this library. See
 262 \fBlibsip\fR(3LIB).
 263 .RE
 264 
 265 .sp
 266 .ne 2
 267 .na
 268 \fB(3SLP)\fR
 269 .ad
 270 .sp .6
 271 .RS 4n
 272 These functions constitute the service location protocol library, \fBlibslp\fR.
 273 This library is implemented as a shared object, \fBlibslp.so\fR, but it is not
 274 automatically linked by the C compilation system. Specify \fB-lslp\fR on the
 275 \fBcc\fR command line to link with this library. See \fBlibslp\fR(3LIB).
 276 .RE
 277 
 278 .sp
 279 .ne 2
 280 .na
 281 \fB(3SOCKET)\fR
 282 .ad
 283 .sp .6
 284 .RS 4n
 285 These functions constitute the sockets library, \fBlibsocket\fR. This library
 286 is implemented as a shared object, \fBlibsocket.so\fR, but is not automatically
 287 linked by the C compilation system. Specify \fB-lsocket\fR on the \fBcc\fR
 288 command line to link with this library. See \fBlibsocket\fR(3LIB).
 289 .RE
 290 
 291 .sp
 292 .ne 2
 293 .na
 294 \fB(3XNET)\fR
 295 .ad
 296 .sp .6
 297 .RS 4n
 298 These functions constitute X/Open networking interfaces which comply with the
 299 X/Open CAE Specification, Networking Services, Issue 4 (September, 1994). This
 300 library is implemented as a shared object, \fBlibxnet.so\fR, but is not
 301 automatically linked by the C compilation system. Specify \fB-lxnet\fR on the
 302 \fBcc\fR command line to link with this library. See \fBlibxnet\fR(3LIB) and
 303 \fBstandards\fR(5) for compilation information.
 304 .RE
 305 
 306 .sp
 307 .LP
 308 Under all circumstances, the use of the Sockets API is recommended over the XTI
 309 and TLI APIs. If portability to other XPGV4v2 (see \fBstandards\fR(5)) systems
 310 is a requirement, the application must use the \fBlibxnet\fR interfaces. If
 311 portability is not required, the sockets interfaces in \fBlibsocket\fR and
 312 \fBlibnsl\fR are recommended over those in \fBlibxnet\fR. Between the XTI and
 313 TLI APIs, the \fBXTI\fR interfaces (available with \fBlibxnet\fR) are
 314 recommended over the \fBTLI\fR interfaces (available with \fBlibnsl\fR).
 315 .SS "Curses Library Functions"
 316 .LP
 317 The functions described in this volume comprise the libraries that provide
 318 graphics and character screen updating capabilities.
 319 .sp
 320 .ne 2
 321 .na
 322 \fB(3CURSES)\fR
 323 .ad
 324 .sp .6
 325 .RS 4n
 326 The functions constitute the following libraries:
 327 .sp
 328 .ne 2
 329 .na
 330 \fB\fBlibcurses\fR\fR
 331 .ad
 332 .sp .6
 333 .RS 4n
 334 These functions constitute the curses library, \fBlibcurses\fR. This library is
 335 implemented as a shared object, \fBlibcurses.so\fR, but is not automatically
 336 linked by the C compilation system. Specify \fB-lcurses\fR on the \fBcc\fR
 337 command line to link with this library. See \fBlibcurses\fR(3LIB).
 338 .RE
 339 
 340 .sp
 341 .ne 2
 342 .na
 343 \fB\fBlibform\fR\fR
 344 .ad
 345 .sp .6
 346 .RS 4n
 347 These functions constitute the forms library, \fBlibform\fR. This library is
 348 implemented as a shared object, \fBlibform.so\fR, but is not automatically
 349 linked by the C compilation system. Specify \fB-lform\fR on the \fBcc\fR
 350 command line to link with this library. See \fBlibform\fR(3LIB).
 351 .RE
 352 
 353 .sp
 354 .ne 2
 355 .na
 356 \fB\fBlibmenu\fR\fR
 357 .ad
 358 .sp .6
 359 .RS 4n
 360 These functions constitute the menus library, \fBlibmenu\fR. This library is
 361 implemented as a shared object, \fBlibmenu.so\fR, but is not automatically
 362 linked by the C compilation system. Specify \fB-lmenu\fR on the \fBcc\fR
 363 command line to link with this library. See \fBlibmenu\fR(3LIB).
 364 .RE
 365 
 366 .sp
 367 .ne 2
 368 .na
 369 \fB\fBlibpanel\fR\fR
 370 .ad
 371 .sp .6
 372 .RS 4n
 373 These functions constitute the panels library, \fBlibpanel\fR. This library is
 374 implemented as a shared object, \fBlibpanel.so\fR, but is not automatically
 375 linked by the C compilation system. Specify \fB-lpanel\fR on the \fBcc\fR
 376 command line to link with this library. See \fBlibpanel\fR(3LIB).
 377 .RE
 378 
 379 .RE
 380 
 381 .sp
 382 .ne 2
 383 .na
 384 \fB(3XCURSES)\fR
 385 .ad
 386 .sp .6
 387 .RS 4n
 388 These functions constitute the X/Open curses library, located in
 389 \fB/usr/xpg4/lib/libcurses.so\fR. This library provides a set of
 390 internationalized functions and macros for creating and modifying input and
 391 output to a terminal screen. Included in this library are functions for
 392 creating windows, highlighting text, writing to the screen, reading from user
 393 input, and moving the cursor. X/Open Curses is designed to optimize screen
 394 update activities. The X/Open Curses library conforms fully with Issue 4 of the
 395 X/Open Extended Curses specification. See \fBlibcurses\fR(3XCURSES).
 396 .RE
 397 
 398 .SS "Extended Library Functions"
 399 .LP
 400 The functions described in this volume comprise the following specialized
 401 libraries:
 402 .sp
 403 .ne 2
 404 .na
 405 \fB(3BSM)\fR
 406 .ad
 407 .sp .6
 408 .RS 4n
 409 These functions constitute the auditing library, \fBlibbsm\fR. This
 410 library is implemented as a shared object, \fBlibbsm.so\fR, but is not
 411 automatically linked by the C compilation system. Specify \fB-lbsm\fR on the
 412 \fBcc\fR command line to link with this library. See \fBlibbsm\fR(3LIB).
 413 .RE
 414 
 415 .sp
 416 .ne 2
 417 .na
 418 \fB(3CFGADM)\fR
 419 .ad
 420 .sp .6
 421 .RS 4n
 422 These functions constitute the configuration administration library,
 423 \fBlibcfgadm\fR. This library is implemented as a shared object,
 424 \fBlibcfgadm.so\fR, but is not automatically linked by the C compilation
 425 system. Specify \fB-lcfgadm\fR on the \fBcc\fR command line to link with this
 426 library. See \fBlibcfgadm\fR(3LIB).
 427 .RE
 428 
 429 .sp
 430 .ne 2
 431 .na
 432 \fB(3CONTRACT)\fR
 433 .ad
 434 .sp .6
 435 .RS 4n
 436 These functions constitute the contract management library, \fBlibcontract\fR.
 437 This library is implemented as a shared object, \fBlibcontract.so\fR, but is
 438 not automatically linked by the C compilation system. Specify \fB-lcontract\fR
 439 on the \fBcc\fR command line to link with this library. See
 440 \fBlibcontract\fR(3LIB).
 441 .RE
 442 
 443 .sp
 444 .ne 2
 445 .na
 446 \fB(3CPC)\fR
 447 .ad
 448 .sp .6
 449 .RS 4n
 450 These functions constitute the CPU performance counter library, \fBlibcpc\fR,
 451 and the process context library, \fBlibpctx\fR. These libraries are implemented
 452 as shared objects, \fBlibcpc.so\fR and \fBlibpctx.so\fR, respectively, but are
 453 not automatically linked by the C compilation system. Specify \fB-lcpc\fR or
 454 \fB-lpctx\fR on the \fBcc\fR command line to link with these libraries. See
 455 \fBlibcpc\fR(3LIB) and \fBlibpctx\fR(3LIB).
 456 .RE
 457 
 458 .sp
 459 .ne 2
 460 .na
 461 \fB(3DAT)\fR
 462 .ad
 463 .sp .6
 464 .RS 4n
 465 These functions constitute the direct access transport library, \fBlibdat\fR.
 466 This library is implemented as a shared object, \fBlibdat.so\fR, but is not
 467 automatically linked by the C compilation system. Specify \fB-ldat\fR on the
 468 \fBcc\fR command line to link with this library. See \fBlibdat\fR(3LIB).
 469 .RE
 470 
 471 .sp
 472 .ne 2
 473 .na
 474 \fB(3DEVID)\fR
 475 .ad
 476 .sp .6
 477 .RS 4n
 478 These functions constitute the device \fBID\fR library, \fBlibdevid\fR. This
 479 library is implemented as a shared object, \fBlibdevid.so\fR, but is not
 480 automatically linked by the C compilation system. Specify \fB-ldevid\fR on the
 481 \fBcc\fR command line to link with this library. See \fBlibdevid\fR(3LIB).
 482 .RE
 483 
 484 .sp
 485 .ne 2
 486 .na
 487 \fB(3DEVINFO)\fR
 488 .ad
 489 .sp .6
 490 .RS 4n
 491 These functions constitute the device information library, \fBlibdevinfo\fR.
 492 This library is implemented as a shared object, \fBlibdevinfo.so\fR, but is not
 493 automatically linked by the C compilation system. Specify \fB-ldevinfo\fR on
 494 the \fBcc\fR command line to link with this library. See
 495 \fBlibdevinfo\fR(3LIB).
 496 .RE
 497 
 498 .sp
 499 .ne 2
 500 .na
 501 \fB(3ELF)\fR
 502 .ad
 503 .sp .6
 504 .RS 4n
 505 These functions constitute the ELF access library, \fBlibelf\fR, (Extensible
 506 Linking Format). This library provides the interface for the creation and
 507 analyses of "elf" files; executables, objects, and shared objects. \fBlibelf\fR
 508 is implemented as a shared object, \fBlibelf.so\fR, but is not automatically
 509 linked by the C compilation system. Specify \fB-lelf\fR on the \fBcc\fR command
 510 line to link with this library. See \fBlibelf\fR(3LIB).
 511 .RE
 512 
 513 .sp
 514 .ne 2
 515 .na
 516 \fB(3EXACCT)\fR
 517 .ad
 518 .sp .6
 519 .RS 4n
 520 These functions constitute the extended accounting access library,
 521 \fBlibexacct\fR, and the project database access library, \fBlibproject\fR.
 522 These libraries are implemented as shared objects, \fBlibexacct.so\fR and
 523 \fBlibproject.so\fR, respectively, but are not automatically linked by the C
 524 compilation system. Specify \fB-lexacct\fR or \fB-lproject\fR on the \fBcc\fR
 525 command line to link with these libraries. See \fBlibexacct\fR(3LIB) and
 526 \fBlibproject\fR(3LIB).
 527 .RE
 528 
 529 .sp
 530 .ne 2
 531 .na
 532 \fB(3FCOE)\fR
 533 .ad
 534 .sp .6
 535 .RS 4n
 536 These functions constitute the Fibre Channel over Ethernet port management
 537 library. This library is implemented as a shared object, \fBlibfcoe.so\fR, but
 538 is not automatically linked by the C compilation system. Specify \fB-lfcoe\fR
 539 on the \fBcc\fR command line to link with this library. See
 540 \fBlibfcoe\fR(3LIB).
 541 .RE
 542 
 543 .sp
 544 .ne 2
 545 .na
 546 \fB(3FSTYP)\fR
 547 .ad
 548 .sp .6
 549 .RS 4n
 550 These functions constitute the file system type identification library. This
 551 library is implemented as a shared object, \fBlibfstyp.so\fR, but is not
 552 automatically linked by the C compilation system. Specify \fB-lfstyp\fR on the
 553 \fBcc\fR command line to link with this library. See \fBlibfstyp\fR(3LIB).
 554 .RE
 555 
 556 .sp
 557 .ne 2
 558 .na
 559 \fB(3GEN)\fR
 560 .ad
 561 .sp .6
 562 .RS 4n
 563 These functions constitute the string pattern-matching and pathname
 564 manipulation library, \fBlibgen\fR. This library is implemented as a shared
 565 object, \fBlibgen.so\fR, but is not automatically linked by the C compilation
 566 system. Specify \fB-lgen\fR on the \fBcc\fR command line to link with this
 567 library. See \fBlibgen\fR(3LIB).
 568 .RE
 569 
 570 .sp
 571 .ne 2
 572 .na
 573 \fB(3HBAAPI)\fR
 574 .ad
 575 .sp .6
 576 .RS 4n
 577 These functions constitute the common fibre channel HBA information library,
 578 \fBlibhbaapi\fR. This library is implemented as a shared object,
 579 \fBlibhbaapi.so\fR, but is not automatically linked by the C compilation
 580 system. Specify \fB-lhbaapi\fR on the \fBcc\fR command line to link with this
 581 library. See \fBlibhbaapi\fR(3LIB).
 582 .RE
 583 
 584 .sp
 585 .ne 2
 586 .na
 587 \fB(3ISCSIT)\fR
 588 .ad
 589 .sp .6
 590 .RS 4n
 591 These functions constitute the iSCSI Management library, \fBlibiscsit\fR. This
 592 library is implemented as a shared object, \fBlibiscsit.so\fR, but is not
 593 automatically linked by the C compilation system. Specify \fB-liscsit\fR on the
 594 \fBcc\fR command line to link with this library. See \fBlibiscsit\fR(3LIB).
 595 .RE
 596 
 597 .sp
 598 .ne 2
 599 .na
 600 \fB(3KSTAT)\fR
 601 .ad
 602 .sp .6
 603 .RS 4n
 604 These functions constitute the kernel statistics library, which is implemented
 605 as a shared object, \fBlibkstat.so\fR, but is not automatically linked by the C
 606 compilation system. Specify \fB-lkstat\fR on the \fBcc\fR command line to link
 607 with this library. See \fBlibkstat\fR(3LIB).
 608 .RE
 609 
 610 .sp
 611 .ne 2
 612 .na
 613 \fB(3KVM)\fR
 614 .ad
 615 .sp .6
 616 .RS 4n
 617 These functions allow access to the kernel's virtual memory library, which is
 618 implemented as a shared object, \fBlibkvm.so\fR, but is not automatically
 619 linked by the C compilation system. Specify \fB-lkvm\fR on the \fBcc\fR command
 620 line to link with this library. See \fBlibkvm\fR(3LIB).
 621 .RE
 622 
 623 .sp
 624 .ne 2
 625 .na
 626 \fB(3LGRP)\fR
 627 .ad
 628 .sp .6
 629 .RS 4n
 630 These functions constitute the locality group library, which is implemented as
 631 a shared object, \fBliblgrp.so\fR, but is not automatically linked by the C
 632 compilation system. Specify \fB-llgrp\fR on the \fBcc\fR command line to link
 633 with this library. See \fBliblgrp\fR(3LIB).
 634 .RE
 635 
 636 .sp
 637 .ne 2
 638 .na
 639 \fB(3M)\fR
 640 .ad
 641 .sp .6
 642 .RS 4n
 643 These functions constitute the mathematical library, \fBlibm\fR. This library
 644 is implemented as a shared object, \fBlibm.so\fR, but is not automatically
 645 linked by the C compilation system. Specify \fB-lm\fR on the \fBcc\fR command
 646 line to link with this library. See \fBlibm\fR(3LIB).
 647 .RE
 648 
 649 .sp
 650 .ne 2
 651 .na
 652 \fB(3MAIL)\fR
 653 .ad
 654 .sp .6
 655 .RS 4n
 656 These functions constitute the user mailbox management library, \fBlibmail\fR.
 657 This library is implemented as a shared object, \fBlibmail.so\fR, but is not
 658 automatically linked by the C compilation system. Specify \fB-lmail\fR on the
 659 \fBcc\fR command line to link with this library. See \fBlibmail\fR(3LIB).
 660 .RE
 661 
 662 .sp
 663 .ne 2
 664 .na
 665 \fB(3MP)\fR
 666 .ad
 667 .sp .6
 668 .RS 4n
 669 These functions constitute the integer mathematical library, \fBlibmp\fR. This
 670 library is implemented as a shared object, \fBlibmp.so\fR, but is not
 671 automatically linked by the C compilation system. Specify \fB-lmp\fR on the
 672 \fBcc\fR command line to link with this library. See \fBlibmp\fR(3LIB).
 673 .RE
 674 
 675 .sp
 676 .ne 2
 677 .na
 678 \fB(3MPAPI)\fR
 679 .ad
 680 .sp .6
 681 .RS 4n
 682 These functions constitute the Common Multipath Management library,
 683 \fBlibMPAPI\fR. This library is implemented as a shared object,
 684 \fBlibMPAPI.so\fR, but is not automatically linked by the C compilation system.
 685 Specify \fB-lMPAPI\fR on the \fBcc\fR command line to link with this library.
 686 See \fBlibMPAPI\fR(3LIB).
 687 .RE
 688 
 689 .sp
 690 .ne 2
 691 .na
 692 \fB(3MVEC)\fR
 693 .ad
 694 .sp .6
 695 .RS 4n
 696 These functions constitute the vector mathematical library, \fBlibmvec\fR. This
 697 library is implemented as a shared object, \fBlibmvec.so\fR, but is not
 698 automatically linked by the C compilation system. Specify \fB-lmvec\fR on the
 699 \fBcc\fR command line to link with this library. See \fBlibmvec\fR(3LIB).
 700 .RE
 701 
 702 .sp
 703 .ne 2
 704 .na
 705 \fB(3NVPAIR)\fR
 706 .ad
 707 .sp .6
 708 .RS 4n
 709 These functions constitute the name-value pair library, \fBlibnvpair\fR. This
 710 library is implemented as a shared object, \fBlibnvpair.so\fR, but is not
 711 automatically linked by the C compilation system. Specify \fB-lnvpair\fR on the
 712 \fBcc\fR command line to link with this library. See \fBlibnvpair\fR(3LIB).
 713 .RE
 714 
 715 .sp
 716 .ne 2
 717 .na
 718 \fB(3PAM)\fR
 719 .ad
 720 .sp .6
 721 .RS 4n
 722 These functions constitute the pluggable authentication module library,
 723 \fBlibpam\fR. This library is implemented as a shared object, \fBlibpam.so\fR,
 724 but is not automatically linked by the C compilation system. Specify
 725 \fB-lpam\fR on the \fBcc\fR command line to link with this library. See
 726 \fBlibpam\fR(3LIB).
 727 .RE
 728 
 729 .sp
 730 .ne 2
 731 .na
 732 \fB(3PAPI)\fR
 733 .ad
 734 .sp .6
 735 .RS 4n
 736 These functions constitute the Free Standards Group Open Printing API (PAPI)
 737 library, \fBlibpapi\fR. This library is implemented as a shared object,
 738 \fBlibpapi.so\fR, but is not automatically linked by the C compilation system.
 739 Specify \fB-lpapi\fR on the \fBcc\fR command line to link with this library.
 740 See \fBlibpapi\fR(3LIB).
 741 .RE
 742 
 743 .sp
 744 .ne 2
 745 .na
 746 \fB(3PICL)\fR
 747 .ad
 748 .sp .6
 749 .RS 4n
 750 These functions constitute the PICL library, \fBlibpicl\fR. This library is
 751 implemented as a shared object, \fBlibpicl.so\fR, but is not automatically
 752 linked by the C compilation system. Specify \fB-lpicl\fR on the \fBcc\fR
 753 command line to link with this library. See \fBlibpicl\fR(3LIB) and
 754 \fBlibpicl\fR(3PICL).
 755 .RE
 756 
 757 .sp
 758 .ne 2
 759 .na
 760 \fB(3PICLTREE)\fR
 761 .ad
 762 .sp .6
 763 .RS 4n
 764 These functions constitute the PICL plug-in library, \fBlibpicltree\fR. This
 765 library is implemented as a shared object, \fBlibpicltree.so\fR, but is not
 766 automatically linked by the C compilation system. Specify \fB-lpicltree\fR on
 767 the \fBcc\fR command line to link with this library. See
 768 \fBlibpicltree\fR(3LIB) and \fBlibpicltree\fR(3PICLTREE).
 769 .RE
 770 
 771 .sp
 772 .ne 2
 773 .na
 774 \fB(3POOL)\fR
 775 .ad
 776 .sp .6
 777 .RS 4n
 778 These functions constitute the pool configuration manipulation library,
 779 \fBlibpool\fR. This library is implemented as a shared object,
 780 \fBlibpool.so\fR, but is not automatically linked by the C compilation system.
 781 Specify \fB-lpool\fR on the \fBcc\fR command line to link with this library.
 782 See \fBlibpool\fR(3LIB).
 783 .RE
 784 
 785 .sp
 786 .ne 2
 787 .na
 788 \fB(3PROC)\fR
 789 .ad
 790 .sp .6
 791 .RS 4n
 792 These functions constitute the process manipulation library,
 793 \fBlibproc\fR. This library is implemented as a shared object,
 794 \fBlibproc.so\fR, but it is not automatically linked by the C compilation
 795 system. Specify \fB-lproc\fR on the \fBcc\fR command line to link with this
 796 library. See \fBlibproc\fR(3LIB).
 797 .RE
 798 
 799 .sp
 800 .ne 2
 801 .na
 802 \fB(3PROJECT)\fR
 803 .ad
 804 .sp .6
 805 .RS 4n
 806 These functions constitute the project database access library,
 807 \fBlibproject\fR. This library is implemented as a shared object,
 808 \fBlibproject.so\fR, but is not automatically linked by the C compilation
 809 system. Specify \fB-lproject\fR on the \fBcc\fR command line to link with this
 810 library. See \fBlibproject\fR(3LIB).
 811 .RE
 812 
 813 .sp
 814 .ne 2
 815 .na
 816 \fB(3RSM)\fR
 817 .ad
 818 .sp .6
 819 .RS 4n
 820 These functions constitute the remote shared memory library, \fBlibrsm\fR. This
 821 library is implemented as a shared object, \fBlibrsm.so\fR, but is not
 822 automatically linked by the C compilation system. Specify \fB-lrsm\fR on the
 823 \fBcc\fR command line to link with this library. See \fBlibrsm\fR(3LIB).
 824 .RE
 825 
 826 .sp
 827 .ne 2
 828 .na
 829 \fB(3SCF)\fR
 830 .ad
 831 .sp .6
 832 .RS 4n
 833 These functions constitute the object-caching memory allocation library,
 834 \fBlibscf\fR. This library is implemented as a shared object, \fBlibscf.so\fR,
 835 but is not automatically linked by the C compilation system. Specify
 836 \fB-lscf\fR on the \fBcc\fR command line to link with this library. See
 837 \fBlibscf\fR(3LIB).
 838 .RE
 839 
 840 .sp
 841 .ne 2
 842 .na
 843 \fB(3SEC)\fR
 844 .ad
 845 .sp .6
 846 .RS 4n
 847 These functions constitute the file access control library, \fBlibsec\fR. This
 848 library is implemented as a shared object, \fBlibsec.so\fR, but is not
 849 automatically linked by the C compilation system. Specify \fB-lsec\fR on the
 850 \fBcc\fR command line to link with this library. See \fBlibsec\fR(3LIB).
 851 .RE
 852 
 853 .sp
 854 .ne 2
 855 .na
 856 \fB(3SECDB)\fR
 857 .ad
 858 .sp .6
 859 .RS 4n
 860 These functions constitute the security attributes database library,
 861 \fBlibsecdb\fR. This library is implemented as a shared object,
 862 \fBlibsecdb.so\fR, but is not automatically linked by the C compilation system.
 863 Specify \fB-lsecdb\fR on the \fBcc\fR command line to link with this library.
 864 See \fBlibsecdb\fR(3LIB).
 865 .RE
 866 
 867 .sp
 868 .ne 2
 869 .na
 870 \fB(3STMF)\fR
 871 .ad
 872 .sp .6
 873 .RS 4n
 874 These functions constitute the SCSI Target Mode Framework library,
 875 \fBlibstmf\fR. This library is implemented as a shared object,
 876 \fBlibstmf.so\fR, but is not automatically linked by the C compilation system.
 877 Specify \fB-lstmf\fR on the \fBcc\fR command line to link with this library.
 878 See \fBlibstmf\fR(3LIB).
 879 .RE
 880 
 881 .sp
 882 .ne 2
 883 .na
 884 \fB(3SYSEVENT)\fR
 885 .ad
 886 .sp .6
 887 .RS 4n
 888 These functions constitute the system event library, \fBlibsysevent\fR. This
 889 library is implemented as a shared object, \fBlibsysevent.so\fR, but is not
 890 automatically linked by the C compilation system. Specify \fB-lsysevent\fR on
 891 the \fBcc\fR command line to link with this library. See
 892 \fBlibsysevent\fR(3LIB).
 893 .RE
 894 
 895 .sp
 896 .ne 2
 897 .na
 898 \fB(3TECLA)\fR
 899 .ad
 900 .sp .6
 901 .RS 4n
 902 These functions constitute the interactive command-line input library,
 903 \fBlibtecla\fR. This library is implemented as a shared object,
 904 \fBlibtecla.so\fR, but is not automatically linked by the C compilation system.
 905 Specify \fB-ltecla\fR on the \fBcc\fR command line to link with this library.
 906 See \fBlibtecla\fR(3LIB).
 907 .RE
 908 
 909 .sp
 910 .ne 2
 911 .na
 912 \fB(3TNF)\fR
 913 .ad
 914 .sp .6
 915 .RS 4n
 916 These functions constitute the TNF libraries, \fBlibtnf\fR, \fBlibtnfctl\fR,
 917 and \fBlibtnfprobe\fR. These libraries are implemented as shared objects,
 918 \fBlibtnf.so\fR, \fBlibtnfctl.so\fR, and \fBlibtnfprobe.so\fR, respectively,
 919 but are not automatically linked by the C compilation system. Specify
 920 \fB-ltnf\fR, \fB-ltnfctl\fR, or \fB-ltnfprobe\fR on the \fBcc\fR command line
 921 to link with these libraries. See \fBlibtnfctl\fR(3TNF) and
 922 \fBlibtnfctl\fR(3LIB).
 923 .RE
 924 
 925 .sp
 926 .ne 2
 927 .na
 928 \fB(3TSOL)\fR
 929 .ad
 930 .sp .6
 931 .RS 4n
 932 These functions constitute the Trusted Extensions library, \fBlibtsol\fR, and
 933 the Trusted Extensions network library, \fBlibtsnet\fR. These libraries are
 934 implemented as shared objects, \fBlibtsol.so\fR and \fBlibtsnet.so\fR, but are
 935 not automatically linked by the C compilation system. Specify \fB-ltsol\fR or
 936 \fB-ltsnet\fR on the \fBcc\fR command line to link with these libraries. See
 937 \fBlibtsol\fR(3LIB) and \fBlibtsnet\fR(3LIB).
 938 .RE
 939 
 940 .sp
 941 .ne 2
 942 .na
 943 \fB(3UUID)\fR
 944 .ad
 945 .sp .6
 946 .RS 4n
 947 These functions constitute the universally unique identifier library,
 948 \fBlibuuid\fR. This library is implemented as a shared object,
 949 \fBlibuuid.so\fR, but is not automatically linked by the C compilation system.
 950 Specify \fB-luuid\fR on the \fBcc\fR command line to link with this library.
 951 See \fBlibuuid\fR(3LIB).
 952 .RE
 953 
 954 .sp
 955 .ne 2
 956 .na
 957 \fB(3VOLMGT)\fR
 958 .ad
 959 .sp .6
 960 .RS 4n
 961 These functions constitute the volume management library, \fBlibvolmgt\fR. This
 962 library is implemented as a shared object, \fBlibvolmgt.so\fR, but is not
 963 automatically linked by the C compilation system. Specify \fB-lvolmgt\fR on the
 964 \fBcc\fR command line to link with this library. See \fBlibvolmgt\fR(3LIB).
 965 .RE
 966 
 967 .SH DEFINITIONS
 968 .LP
 969 A character is any bit pattern able to fit into a byte on the machine. In some
 970 international languages, however, a "character" might require more than one
 971 byte, and is represented in multi-bytes.
 972 .sp
 973 .LP
 974 The null character is a character with value 0, conventionally represented in
 975 the C language as \fB\e\|0\fR\&. A character array is a sequence of characters.
 976 A null-terminated character array (a \fIstring\fR) is a sequence of characters,
 977 the last of which is the null character. The null string is a character array
 978 containing only the terminating null character. A null pointer is the value
 979 that is obtained by casting \fB0\fR into a pointer. C guarantees that this
 980 value will not match that of any legitimate pointer, so many functions that
 981 return pointers return \fINULL\fR to indicate an error. The macro \fINULL\fR is
 982 defined in <\fBstdio.h\fR>. Types of the form \fBsize_t\fR are defined in the
 983 appropriate headers.
 984 .SH MULTITHREADED APPLICATIONS
 985 .LP
 986 Both POSIX threads and Solaris threads can be used within the same application.
 987 Their implementations are completely compatible with each other; however, only
 988 POSIX threads guarantee portability to other POSIX-conforming environments.
 989 .sp
 990 .LP
 991 The \fBlibpthread\fR(3LIB) and \fBlibthread\fR(3LIB) libraries are implemented
 992 as filters on \fBlibc\fR(3LIB).
 993 .sp
 994 .LP
 995 When compiling a multithreaded application, the \fB-mt\fR option must be
 996 specified on the command line.
 997 .sp
 998 .LP
 999 There is no need for a multithreaded application to link with \fB-lthread\fR.
1000 An application must link with \fB-lpthread\fR only when POSIX semantics for
1001 \fBfork\fR(2) are desired. When an application is linked with \fB-lpthread\fR,
1002 a call to \fBfork()\fR assumes the behavior \fBfork1\fR(2) rather than the
1003 default behavior that forks all threads.
1004 .sp
1005 .LP
1006 When compiling a POSIX-conforming application, either the \fB_POSIX_C_SOURCE\fR
1007 or \fB_POSIX_PTHREAD_SEMANTICS\fR option must be specified on the command line.
1008 For POSIX.1c-conforming applications, define the \fB_POSIX_C_SOURCE\fR flag to
1009 be >= 199506L:
1010 .sp
1011 .in +2
1012 .nf
1013 \fBcc\fR \fB-mt\fR [ \fIflag\fR... ] \fIfile\fR... \fB-D_POSIX_C_SOURCE=199506L\fR \fB-lpthread\fR
1014 .fi
1015 .in -2
1016 
1017 .sp
1018 .LP
1019 For POSIX behavior with the Solaris \fBfork()\fR and \fBfork1()\fR distinction,
1020 compile as follows:
1021 .sp
1022 .in +2
1023 .nf
1024 \fBcc\fR \fB-mt\fR [ \fIflag\fR... ] \fIfile\fR... \fB-D_POSIX_PTHREAD_SEMANTICS\fR
1025 .fi
1026 .in -2
1027 
1028 .sp
1029 .LP
1030 For Solaris threads behavior, compile as follows:
1031 .sp
1032 .in +2
1033 .nf
1034 \fBcc\fR \fB-mt\fR [ \fIflag\fR... ] \fIfile\fR...
1035 .fi
1036 .in -2
1037 
1038 .sp
1039 .LP
1040 Unsafe interfaces should be called only from the main thread to ensure the
1041 application's safety.
1042 .sp
1043 .LP
1044 MT-Safe interfaces are denoted in the \fBATTRIBUTES\fR section of the functions
1045 and libraries manual pages (see \fBattributes\fR(5)). If a manual page does not
1046 state explicitly that an interface is MT-Safe, the user should assume that the
1047 interface is unsafe.
1048 .SH REALTIME APPLICATIONS
1049 .LP
1050 The environment variable \fBLD_BIND_NOW\fR must be set to a non-null value to
1051 enable early binding. Refer to the "When Relocations are Processed" chapter in
1052 \fILinker and Libraries Guide\fR for additional information.
1053 .SH FILES
1054 .ne 2
1055 .na
1056 \fB\fIINCDIR\fR\fR
1057 .ad
1058 .RS 15n
1059 usually \fB/usr/include\fR
1060 .RE
1061 
1062 .sp
1063 .ne 2
1064 .na
1065 \fB\fILIBDIR\fR\fR
1066 .ad
1067 .RS 15n
1068 usually either \fB/lib\fR or \fB/usr/lib\fR (32-bit) or either \fB/lib/64\fR or
1069 \fB/usr/lib/64\fR (64-bit)
1070 .RE
1071 
1072 .sp
1073 .ne 2
1074 .na
1075 \fB\fILIBDIR\fR\fB/*.so\fR\fR
1076 .ad
1077 .RS 15n
1078 shared libraries
1079 .RE
1080 
1081 .SH ACKNOWLEDGMENTS
1082 .LP
1083 Sun Microsystems, Inc. gratefully acknowledges The Open Group for permission to
1084 reproduce portions of its copyrighted documentation. Original documentation
1085 from The Open Group can be obtained online at
1086 http://www.opengroup.org/bookstore/\&.
1087 .sp
1088 .LP
1089 The Institute of Electrical and Electronics Engineers and The Open Group, have
1090 given us permission to reprint portions of their documentation.
1091 .sp
1092 .LP
1093 In the following statement, the phrase ``this text'' refers to portions of the
1094 system documentation.
1095 .sp
1096 .LP
1097 Portions of this text are reprinted and reproduced in electronic form in the
1098 SunOS Reference Manual, from IEEE Std 1003.1, 2004 Edition, Standard for
1099 Information Technology -- Portable Operating System Interface (POSIX), The Open
1100 Group Base Specifications Issue 6, Copyright (C) 2001-2004 by the Institute of
1101 Electrical and Electronics Engineers, Inc and The Open Group.  In the event of
1102 any discrepancy between these versions and the original IEEE and The Open Group
1103 Standard, the original IEEE and The Open Group Standard is the referee
1104 document.  The original Standard can be obtained online at
1105 http://www.opengroup.org/unix/online.html\&.
1106 .sp
1107 .LP
1108 This notice shall appear on any product containing this material.
1109 .SH SEE ALSO
1110 .LP
1111 \fBar\fR(1), \fBld\fR(1), \fBfork\fR(2), \fBstdio\fR(3C), \fBattributes\fR(5),
1112 \fBstandards\fR(5)
1113 .sp
1114 .LP
1115 \fILinker and Libraries Guide\fR
1116 .sp
1117 .LP
1118 \fIPerformance Profiling Tools\fR
1119 .sp
1120 .LP
1121 \fIANSI C Programmer's Guide\fR
1122 .SH DIAGNOSTICS
1123 .LP
1124 For functions that return floating-point values, error handling varies
1125 according to compilation mode. Under the \fB-Xt\fR (default) option to
1126 \fBcc\fR, these functions return the conventional values \fB0\fR,
1127 \fB\(+-HUGE\fR, or \fBNaN\fR when the function is undefined for the given
1128 arguments or when the value is not representable. In the \fB-Xa\fR and
1129 \fB-Xc\fR compilation modes, \fB\(+-HUGE_VAL\fR is returned instead of
1130 \fB\(+-HUGE\fR\&. (\fBHUGE_VAL\fR and \fBHUGE\fR are defined in \fBmath.h\fR to
1131 be infinity and the largest-magnitude single-precision number, respectively.)
1132 .SH NOTES
1133 .LP
1134 None of the functions, external variables, or macros should be redefined in the
1135 user's programs. Any other name can be redefined without affecting the behavior
1136 of other library functions, but such redefinition might conflict with a
1137 declaration in an included header.
1138 .sp
1139 .LP
1140 The headers in \fIINCDIR\fR provide function prototypes (function declarations
1141 including the types of arguments) for most of the functions listed in this
1142 manual. Function prototypes allow the compiler to check for correct usage of
1143 these functions in the user's program. The \fBlint\fR program checker can also
1144 be used and will report discrepancies even if the headers are not included with
1145 \fB#include\fR statements. Definitions for Sections 2 and 3C are checked
1146 automatically. Other definitions can be included by using the \fB-l\fR option
1147 to \fBlint\fR. (For example, \fB-lm\fR includes definitions for \fBlibm\fR.)
1148 Use of \fBlint\fR is highly recommended. See the \fBlint\fR chapter in
1149 \fIPerformance Profiling Tools\fR
1150 .sp
1151 .LP
1152 Users should carefully note the difference between STREAMS and \fIstream\fR.
1153 STREAMS is a set of kernel mechanisms that support the development of network
1154 services and data communication drivers. It is composed of utility routines,
1155 kernel facilities, and a set of data structures. A \fIstream\fR is a file with
1156 its associated buffering. It is declared to be a pointer to a type \fBFILE\fR
1157 defined in \fB<stdio.h>\fR.
1158 .sp
1159 .LP
1160 In detailed definitions of components, it is sometimes necessary to refer to
1161 symbolic names that are implementation-specific, but which are not necessarily
1162 expected to be accessible to an application program. Many of these symbolic
1163 names describe boundary conditions and system limits.
1164 .sp
1165 .LP
1166 In this section, for readability, these implementation-specific values are
1167 given symbolic names. These names always appear enclosed in curly brackets to
1168 distinguish them from symbolic names of other implementation-specific constants
1169 that are accessible to application programs by headers. These names are not
1170 necessarily accessible to an application program through a header, although
1171 they can be defined in the documentation for a particular system.
1172 .sp
1173 .LP
1174 In general, a portable application program should not refer to these symbolic
1175 names in its code. For example, an application program would not be expected to
1176 test the length of an argument list given to a routine to determine if it was
1177 greater than {\fBARG_MAX\fR}.
--- EOF ---