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2989 Eliminate use of LOGNAME_MAX in ON
1166 useradd have warning with name more 8 chars


   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 
  22 /*


  23  * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
  24  */
  25 
  26 /*      Copyright (c) 1988 AT&T     */
  27 /*        All Rights Reserved   */
  28 
  29 #ifndef _UNISTD_H
  30 #define _UNISTD_H
  31 
  32 #include <sys/feature_tests.h>
  33 
  34 #include <sys/types.h>
  35 #include <sys/unistd.h>
  36 
  37 #ifdef  __cplusplus
  38 extern "C" {
  39 #endif
  40 
  41 /* Symbolic constants for the "access" routine: */
  42 #define R_OK    4       /* Test for Read permission */


 330         defined(__EXTENSIONS__)
 331 extern int ftruncate(int, off_t);
 332 #endif /* !defined(__XOPEN_OR_POSIX) || (_POSIX_C_SOURCE > 2)... */
 333 extern char *getcwd(char *, size_t);
 334 #if !defined(__XOPEN_OR_POSIX) || (defined(_XPG4_2) && !defined(_XPG6)) || \
 335         defined(__EXTENSIONS__)
 336 extern int getdtablesize(void);
 337 #endif
 338 extern gid_t getegid(void);
 339 extern uid_t geteuid(void);
 340 extern gid_t getgid(void);
 341 extern int getgroups(int, gid_t *);
 342 #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)
 343 extern long gethostid(void);
 344 #endif
 345 #if defined(_XPG4_2)
 346 extern int gethostname(char *, size_t);
 347 #elif  !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
 348 extern int gethostname(char *, int);
 349 #endif











 350 extern char *getlogin(void);


 351 #if defined(_XPG4) || defined(__EXTENSIONS__)
 352 extern int  getopt(int, char *const *, const char *);
 353 extern char *optarg;
 354 extern int  opterr, optind, optopt;
 355 /* Marked as LEGACY in SUSv2 and removed in SUSv3 */
 356 #if !defined(_XPG6) || defined(__EXTENSIONS__)
 357 extern char *getpass(const char *);
 358 #endif
 359 #endif /* defined(_XPG4) || defined(__EXTENSIONS__) */
 360 #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)
 361 /* Marked as LEGACY in SUSv2 and removed in SUSv3 */
 362 #if !defined(_XPG6) || defined(__EXTENSIONS__)
 363 extern int getpagesize(void);
 364 #endif
 365 extern pid_t getpgid(pid_t);
 366 #endif /* !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2)... */
 367 extern pid_t getpid(void);
 368 extern pid_t getppid(void);
 369 extern pid_t getpgrp(void);
 370 


 651 #if !defined(__XOPEN_OR_POSIX) || (_POSIX_C_SOURCE > 2) || defined(_XPG4_2) || \
 652         (defined(_LARGEFILE_SOURCE) && _FILE_OFFSET_BITS == 64) || \
 653         defined(__EXTENSIONS__)
 654 extern int ftruncate();
 655 #endif /* !defined(__XOPEN_OR_POSIX) (_POSIX_C_SOURCE > 2)... */
 656 extern char *getcwd();
 657 #if !defined(__XOPEN_OR_POSIX) || (defined(_XPG4_2) && !defined(_XPG6)) || \
 658         defined(__EXTENSIONS__)
 659 extern int getdtablesize();
 660 #endif
 661 extern gid_t getegid();
 662 extern uid_t geteuid();
 663 extern gid_t getgid();
 664 extern int getgroups();
 665 #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)
 666 extern long gethostid();
 667 #endif
 668 #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)
 669 extern int gethostname();
 670 #endif











 671 extern char *getlogin();


 672 #if defined(_XPG4) || defined(__EXTENSIONS__)
 673 extern int  getopt();
 674 extern char *optarg;
 675 extern int  opterr, optind, optopt;
 676 #if !defined(_XPG6) || defined(__EXTENSIONS__)
 677 extern char *getpass();
 678 #endif
 679 #endif /* defined(_XPG4) || defined(__EXTENSIONS__) */
 680 #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)
 681 #if !defined(_XPG6) || defined(__EXTENSIONS__)
 682 extern int getpagesize();
 683 #endif
 684 extern pid_t getpgid();
 685 #endif /* !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2)... */
 686 extern pid_t getpid();
 687 extern pid_t getppid();
 688 extern pid_t getpgrp();
 689 #if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
 690 char *gettxt();
 691 #endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */


 909  * _posix_func().  The preferred mechanism for the remapping is a compiler
 910  * #pragma.  If the compiler does not provide such a #pragma, the header file
 911  * defines a static function func() which calls the _posix_func() version;
 912  * this has to be done instead of #define since POSIX specifies that an
 913  * application can #undef the symbol and still be bound to the correct
 914  * implementation.  Unfortunately, the statics confuse lint so we fallback to
 915  * #define in that case.
 916  *
 917  * NOTE: Support for the Draft 6 definitions is provided for compatibility
 918  * only.  New applications/libraries should use the standard definitions.
 919  */
 920 
 921 #if     defined(__EXTENSIONS__) || defined(_REENTRANT) || \
 922         !defined(__XOPEN_OR_POSIX) || (_POSIX_C_SOURCE - 0 >= 199506L) || \
 923         defined(_POSIX_PTHREAD_SEMANTICS)
 924 
 925 #if     defined(__STDC__)
 926 
 927 #if     (_POSIX_C_SOURCE - 0 >= 199506L) || defined(_POSIX_PTHREAD_SEMANTICS)
 928 

 929 #ifdef __PRAGMA_REDEFINE_EXTNAME








 930 #pragma redefine_extname getlogin_r __posix_getlogin_r
 931 #pragma redefine_extname ttyname_r __posix_ttyname_r
 932 extern int getlogin_r(char *, int);
 933 extern int ttyname_r(int, char *, size_t);
 934 #else  /* __PRAGMA_REDEFINE_EXTNAME */
 935 
 936 extern int __posix_getlogin_r(char *, int);
 937 extern int __posix_ttyname_r(int, char *, size_t);
 938 
 939 #ifdef __lint
 940 
 941 #define getlogin_r      __posix_getlogin_r
 942 #define ttyname_r       __posix_ttyname_r
 943 
 944 #else /* !__lint */
 945 
 946 static int
 947 getlogin_r(char *__name, int __len)
 948 {
 949         return (__posix_getlogin_r(__name, __len));
 950 }
 951 static int


















 952 ttyname_r(int __fildes, char *__buf, size_t __size)
 953 {
 954         return (__posix_ttyname_r(__fildes, __buf, __size));
 955 }
 956 
 957 #endif /* !__lint */
 958 #endif /* __PRAGMA_REDEFINE_EXTNAME */
 959 
 960 #else  /* (_POSIX_C_SOURCE - 0 >= 199506L) || ... */
 961 








 962 extern char *getlogin_r(char *, int);

 963 extern char *ttyname_r(int, char *, int);
 964 
 965 #endif /* (_POSIX_C_SOURCE - 0 >= 199506L) || ... */
 966 
 967 #else  /* __STDC__ */
 968 
 969 #if (_POSIX_C_SOURCE - 0 >= 199506L) || defined(_POSIX_PTHREAD_SEMANTICS)
 970 

 971 #ifdef __PRAGMA_REDEFINE_EXTNAME








 972 #pragma redefine_extname getlogin_r __posix_getlogin_r
 973 #pragma redefine_extname ttyname_r __posix_ttyname_r
 974 extern int getlogin_r();
 975 extern int ttyname_r();
 976 #else  /* __PRAGMA_REDEFINE_EXTNAME */
 977 
 978 extern int __posix_getlogin_r();
 979 extern int __posix_ttyname_r();
 980 
 981 #ifdef  __lint
 982 
 983 #define getlogin_r      __posix_getlogin_r
 984 #define ttyname_r       __posix_ttyname_r
 985 
 986 #else /* !__lint */
 987 
 988 static int
 989 getlogin_r(__name, __len)
 990         char *__name;
 991         int __len;
 992 {
 993         return (__posix_getlogin_r(__name, __len));
 994 }
 995 static int
















 996 ttyname_r(__fildes, __buf, __size)
 997         int __fildes;
 998         char *__buf;
 999         size_t __size;
1000 {
1001         return (__posix_ttyname_r(__fildes, __buf, __size));
1002 }
1003 #endif /* !__lint */
1004 #endif /* __PRAGMA_REDEFINE_EXTNAME */
1005 
1006 #else  /* (_POSIX_C_SOURCE - 0 >= 199506L) || ... */
1007 








1008 extern char *getlogin_r();

1009 extern char *ttyname_r();
1010 
1011 #endif /* (_POSIX_C_SOURCE - 0 >= 199506L) || ... */
1012 
1013 #endif /* __STDC__ */
1014 
1015 #endif /* defined(__EXTENSIONS__) || defined(_REENTRANT)... */
1016 
1017 #ifdef  __cplusplus
1018 }
1019 #endif
1020 
1021 #endif /* _UNISTD_H */


   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 
  22 /*
  23  * Copyright (c) 2013 Gary Mills
  24  *
  25  * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
  26  */
  27 
  28 /*      Copyright (c) 1988 AT&T     */
  29 /*        All Rights Reserved   */
  30 
  31 #ifndef _UNISTD_H
  32 #define _UNISTD_H
  33 
  34 #include <sys/feature_tests.h>
  35 
  36 #include <sys/types.h>
  37 #include <sys/unistd.h>
  38 
  39 #ifdef  __cplusplus
  40 extern "C" {
  41 #endif
  42 
  43 /* Symbolic constants for the "access" routine: */
  44 #define R_OK    4       /* Test for Read permission */


 332         defined(__EXTENSIONS__)
 333 extern int ftruncate(int, off_t);
 334 #endif /* !defined(__XOPEN_OR_POSIX) || (_POSIX_C_SOURCE > 2)... */
 335 extern char *getcwd(char *, size_t);
 336 #if !defined(__XOPEN_OR_POSIX) || (defined(_XPG4_2) && !defined(_XPG6)) || \
 337         defined(__EXTENSIONS__)
 338 extern int getdtablesize(void);
 339 #endif
 340 extern gid_t getegid(void);
 341 extern uid_t geteuid(void);
 342 extern gid_t getgid(void);
 343 extern int getgroups(int, gid_t *);
 344 #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)
 345 extern long gethostid(void);
 346 #endif
 347 #if defined(_XPG4_2)
 348 extern int gethostname(char *, size_t);
 349 #elif  !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
 350 extern int gethostname(char *, int);
 351 #endif
 352 
 353 #ifndef __GETLOGIN_DEFINED      /* Avoid duplicate in stdlib.h */
 354 #define __GETLOGIN_DEFINED
 355 #ifndef __USE_LEGACY_LOGNAME__
 356 #ifdef  __PRAGMA_REDEFINE_EXTNAME
 357 #pragma redefine_extname getlogin getloginx
 358 #else   /* __PRAGMA_REDEFINE_EXTNAME */
 359 extern char *getloginx(void);
 360 #define getlogin        getloginx
 361 #endif  /* __PRAGMA_REDEFINE_EXTNAME */
 362 #endif  /* __USE_LEGACY_LOGNAME__ */
 363 extern char *getlogin(void);
 364 #endif  /* __GETLOGIN_DEFINED */
 365 
 366 #if defined(_XPG4) || defined(__EXTENSIONS__)
 367 extern int  getopt(int, char *const *, const char *);
 368 extern char *optarg;
 369 extern int  opterr, optind, optopt;
 370 /* Marked as LEGACY in SUSv2 and removed in SUSv3 */
 371 #if !defined(_XPG6) || defined(__EXTENSIONS__)
 372 extern char *getpass(const char *);
 373 #endif
 374 #endif /* defined(_XPG4) || defined(__EXTENSIONS__) */
 375 #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)
 376 /* Marked as LEGACY in SUSv2 and removed in SUSv3 */
 377 #if !defined(_XPG6) || defined(__EXTENSIONS__)
 378 extern int getpagesize(void);
 379 #endif
 380 extern pid_t getpgid(pid_t);
 381 #endif /* !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2)... */
 382 extern pid_t getpid(void);
 383 extern pid_t getppid(void);
 384 extern pid_t getpgrp(void);
 385 


 666 #if !defined(__XOPEN_OR_POSIX) || (_POSIX_C_SOURCE > 2) || defined(_XPG4_2) || \
 667         (defined(_LARGEFILE_SOURCE) && _FILE_OFFSET_BITS == 64) || \
 668         defined(__EXTENSIONS__)
 669 extern int ftruncate();
 670 #endif /* !defined(__XOPEN_OR_POSIX) (_POSIX_C_SOURCE > 2)... */
 671 extern char *getcwd();
 672 #if !defined(__XOPEN_OR_POSIX) || (defined(_XPG4_2) && !defined(_XPG6)) || \
 673         defined(__EXTENSIONS__)
 674 extern int getdtablesize();
 675 #endif
 676 extern gid_t getegid();
 677 extern uid_t geteuid();
 678 extern gid_t getgid();
 679 extern int getgroups();
 680 #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)
 681 extern long gethostid();
 682 #endif
 683 #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)
 684 extern int gethostname();
 685 #endif
 686 
 687 #ifndef __GETLOGIN_DEFINED      /* Avoid duplicate in stdlib.h */
 688 #define __GETLOGIN_DEFINED
 689 #ifndef __USE_LEGACY_LOGNAME__
 690 #ifdef __PRAGMA_REDEFINE_EXTNAME
 691 #pragma redefine_extname getlogin       getloginx
 692 #else   /* __PRAGMA_REDEFINE_EXTNAME */
 693 extern char *getloginx();
 694 #define getlogin        getloginx
 695 #endif  /* __PRAGMA_REDEFINE_EXTNAME */
 696 #endif  /* __USE_LEGACY_LOGNAME__ */
 697 extern char *getlogin();
 698 #endif  /* __GETLOGIN_DEFINED */
 699 
 700 #if defined(_XPG4) || defined(__EXTENSIONS__)
 701 extern int  getopt();
 702 extern char *optarg;
 703 extern int  opterr, optind, optopt;
 704 #if !defined(_XPG6) || defined(__EXTENSIONS__)
 705 extern char *getpass();
 706 #endif
 707 #endif /* defined(_XPG4) || defined(__EXTENSIONS__) */
 708 #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)
 709 #if !defined(_XPG6) || defined(__EXTENSIONS__)
 710 extern int getpagesize();
 711 #endif
 712 extern pid_t getpgid();
 713 #endif /* !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2)... */
 714 extern pid_t getpid();
 715 extern pid_t getppid();
 716 extern pid_t getpgrp();
 717 #if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
 718 char *gettxt();
 719 #endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */


 937  * _posix_func().  The preferred mechanism for the remapping is a compiler
 938  * #pragma.  If the compiler does not provide such a #pragma, the header file
 939  * defines a static function func() which calls the _posix_func() version;
 940  * this has to be done instead of #define since POSIX specifies that an
 941  * application can #undef the symbol and still be bound to the correct
 942  * implementation.  Unfortunately, the statics confuse lint so we fallback to
 943  * #define in that case.
 944  *
 945  * NOTE: Support for the Draft 6 definitions is provided for compatibility
 946  * only.  New applications/libraries should use the standard definitions.
 947  */
 948 
 949 #if     defined(__EXTENSIONS__) || defined(_REENTRANT) || \
 950         !defined(__XOPEN_OR_POSIX) || (_POSIX_C_SOURCE - 0 >= 199506L) || \
 951         defined(_POSIX_PTHREAD_SEMANTICS)
 952 
 953 #if     defined(__STDC__)
 954 
 955 #if     (_POSIX_C_SOURCE - 0 >= 199506L) || defined(_POSIX_PTHREAD_SEMANTICS)
 956 
 957 #ifndef __USE_LEGACY_LOGNAME__
 958 #ifdef  __PRAGMA_REDEFINE_EXTNAME
 959 #pragma redefine_extname getlogin_r __posix_getloginx_r
 960 extern int getlogin_r(char *, int);
 961 #else   /* __PRAGMA_REDEFINE_EXTNAME */
 962 extern int __posix_getloginx_r(char *, int);
 963 #define getlogin_r      __posix_getloginx_r
 964 #endif  /* __PRAGMA_REDEFINE_EXTNAME */
 965 #else   /* __USE_LEGACY_LOGNAME__ */
 966 #ifdef __PRAGMA_REDEFINE_EXTNAME
 967 #pragma redefine_extname getlogin_r __posix_getlogin_r

 968 extern int getlogin_r(char *, int);

 969 #else  /* __PRAGMA_REDEFINE_EXTNAME */

 970 extern int __posix_getlogin_r(char *, int);

 971 
 972 #ifdef __lint
 973 
 974 #define getlogin_r      __posix_getlogin_r

 975 
 976 #else /* !__lint */
 977 
 978 static int
 979 getlogin_r(char *__name, int __len)
 980 {
 981         return (__posix_getlogin_r(__name, __len));
 982 }
 983 static int
 984 
 985 #endif /* !__lint */
 986 #endif /* __PRAGMA_REDEFINE_EXTNAME */
 987 #endif  /* __USE_LEGACY_LOGNAME__ */
 988 
 989 #ifdef __PRAGMA_REDEFINE_EXTNAME
 990 #pragma redefine_extname ttyname_r __posix_ttyname_r
 991 extern int ttyname_r(int, char *, size_t);
 992 #else  /* __PRAGMA_REDEFINE_EXTNAME */
 993 extern int __posix_ttyname_r(int, char *, size_t);
 994 
 995 #ifdef __lint
 996 
 997 #define ttyname_r       __posix_ttyname_r
 998 
 999 #else /* !__lint */
1000 
1001 static int
1002 ttyname_r(int __fildes, char *__buf, size_t __size)
1003 {
1004         return (__posix_ttyname_r(__fildes, __buf, __size));
1005 }
1006 
1007 #endif /* !__lint */
1008 #endif /* __PRAGMA_REDEFINE_EXTNAME */
1009 
1010 #else  /* (_POSIX_C_SOURCE - 0 >= 199506L) || ... */
1011 
1012 #ifndef __USE_LEGACY_LOGNAME__
1013 #ifdef  __PRAGMA_REDEFINE_EXTNAME
1014 #pragma redefine_extname getlogin_r getloginx_r
1015 #else   /* __PRAGMA_REDEFINE_EXTNAME */
1016 extern char *getloginx_r(char *, int);
1017 #define getlogin_r      getloginx_r
1018 #endif  /* __PRAGMA_REDEFINE_EXTNAME */
1019 #endif  /* __USE_LEGACY_LOGNAME__ */
1020 extern char *getlogin_r(char *, int);
1021 
1022 extern char *ttyname_r(int, char *, int);
1023 
1024 #endif /* (_POSIX_C_SOURCE - 0 >= 199506L) || ... */
1025 
1026 #else  /* __STDC__ */
1027 
1028 #if (_POSIX_C_SOURCE - 0 >= 199506L) || defined(_POSIX_PTHREAD_SEMANTICS)
1029 
1030 #ifndef __USE_LEGACY_LOGNAME__
1031 #ifdef  __PRAGMA_REDEFINE_EXTNAME
1032 #pragma redefine_extname getlogin_r __posix_getloginx_r
1033 extern int getlogin_r();
1034 #else   /* __PRAGMA_REDEFINE_EXTNAME */
1035 extern int __posix_getloginx_r();
1036 #define getlogin_r      __posix_getloginx_r
1037 #endif  /* __PRAGMA_REDEFINE_EXTNAME */
1038 #else   /* __USE_LEGACY_LOGNAME__ */
1039 #ifdef __PRAGMA_REDEFINE_EXTNAME
1040 #pragma redefine_extname getlogin_r __posix_getlogin_r

1041 extern int getlogin_r();

1042 #else  /* __PRAGMA_REDEFINE_EXTNAME */

1043 extern int __posix_getlogin_r();

1044 
1045 #ifdef  __lint
1046 
1047 #define getlogin_r      __posix_getlogin_r

1048 
1049 #else /* !__lint */
1050 
1051 static int
1052 getlogin_r(__name, __len)
1053         char *__name;
1054         int __len;
1055 {
1056         return (__posix_getlogin_r(__name, __len));
1057 }
1058 #endif /* !__lint */
1059 #endif /* __PRAGMA_REDEFINE_EXTNAME */
1060 #endif  /* __USE_LEGACY_LOGNAME__ */
1061 
1062 #ifdef __PRAGMA_REDEFINE_EXTNAME
1063 #pragma redefine_extname ttyname_r __posix_ttyname_r
1064 extern int ttyname_r();
1065 #else  /* __PRAGMA_REDEFINE_EXTNAME */
1066 
1067 extern int __posix_ttyname_r();
1068 
1069 #ifdef  __lint
1070 
1071 #define ttyname_r       __posix_ttyname_r
1072 
1073 #else /* !__lint */
1074 
1075 ttyname_r(__fildes, __buf, __size)
1076         int __fildes;
1077         char *__buf;
1078         size_t __size;
1079 {
1080         return (__posix_ttyname_r(__fildes, __buf, __size));
1081 }
1082 #endif /* !__lint */
1083 #endif /* __PRAGMA_REDEFINE_EXTNAME */
1084 
1085 #else  /* (_POSIX_C_SOURCE - 0 >= 199506L) || ... */
1086 
1087 #ifndef __USE_LEGACY_LOGNAME__
1088 #ifdef __PRAGMA_REDEFINE_EXTNAME
1089 #pragma redefine_extname getlogin_r     getloginx_r
1090 #else   /* __PRAGMA_REDEFINE_EXTNAME */
1091 extern char *getloginx_r();
1092 #define getlogin_r      getloginx_r
1093 #endif  /* __PRAGMA_REDEFINE_EXTNAME */
1094 #endif  /* __USE_LEGACY_LOGNAME__ */
1095 extern char *getlogin_r();
1096 
1097 extern char *ttyname_r();
1098 
1099 #endif /* (_POSIX_C_SOURCE - 0 >= 199506L) || ... */
1100 
1101 #endif /* __STDC__ */
1102 
1103 #endif /* defined(__EXTENSIONS__) || defined(_REENTRANT)... */
1104 
1105 #ifdef  __cplusplus
1106 }
1107 #endif
1108 
1109 #endif /* _UNISTD_H */