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  46 .TH CFSETISPEED 3C "Jul 24, 2002"
  47 .SH NAME
  48 cfsetispeed, cfsetospeed \- set input and output baud rate
  49 .SH SYNOPSIS
  50 .LP
  51 .nf
  52 #include <termios.h>
  53 
  54 \fBint\fR \fBcfsetispeed\fR(\fBstruct termios *\fR\fItermios_p\fR, \fBspeed_t\fR \fIspeed\fR);
  55 .fi
  56 
  57 .LP
  58 .nf
  59 \fBint\fR \fBcfsetospeed\fR(\fBstruct termios *\fR\fItermios_p\fR, \fBspeed_t\fR \fIspeed\fR);
  60 .fi
  61 
  62 .SH DESCRIPTION
  63 .sp
  64 .LP
  65 The \fBcfsetispeed()\fR function sets the input baud rate stored in the
  66 structure pointed to by \fItermios_p\fR to \fIspeed.\fR
  67 .sp
  68 .LP
  69 The \fBcfsetospeed()\fR function sets the output baud rate stored in the
  70 structure pointed to by \fItermios_p\fR to \fIspeed.\fR
  71 .sp
  72 .LP
  73 There is no effect on the baud rates set in the hardware until a subsequent
  74 successful call to \fBtcsetattr\fR(3C) on the same \fBtermios\fR structure.
  75 .SH RETURN VALUES
  76 .sp
  77 .LP
  78 Upon successful completion, \fBcfsetispeed()\fR and \fBcfsetospeed()\fR return
  79 \fB0\fR. Otherwise \fB\(mi1\fR is returned, and \fBerrno\fR may be set to
  80 indicate the error.
  81 .SH ERRORS
  82 .sp
  83 .LP
  84 The \fBcfsetispeed()\fR and \fBcfsetospeed()\fR functions may fail if:
  85 .sp
  86 .ne 2
  87 .na
  88 \fB\fBEINVAL\fR\fR
  89 .ad
  90 .RS 10n
  91 The \fIspeed\fR value is not a valid baud rate.
  92 .RE
  93 
  94 .sp
  95 .ne 2
  96 .na
  97 \fB\fBEINVAL\fR\fR
  98 .ad
  99 .RS 10n
 100 The value of \fIspeed\fR is outside the range of possible speed values as
 101 specified in \fB<termios.h>\fR\&.
 102 .RE
 103 
 104 .SH ATTRIBUTES
 105 .sp
 106 .LP
 107 See \fBattributes\fR(5) for descriptions of the following attributes:
 108 .sp
 109 
 110 .sp
 111 .TS
 112 box;
 113 c | c
 114 l | l .
 115 ATTRIBUTE TYPE  ATTRIBUTE VALUE
 116 _
 117 Interface Stability     Standard
 118 _
 119 MT-Level        MT-Safe, and Async-Signal-Safe
 120 .TE
 121 
 122 .SH SEE ALSO
 123 .sp
 124 .LP
 125 \fBcfgetispeed\fR(3C), \fBtcsetattr\fR(3C), \fBattributes\fR(5),
 126 \fBstandards\fR(5), \fBtermio\fR(7I)