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Diffstat (limited to 'man3/getpt.3')
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diff --git a/man3/getpt.3 b/man3/getpt.3 new file mode 100644 index 000000000..a60c8dcba --- /dev/null +++ b/man3/getpt.3 @@ -0,0 +1,35 @@ +.\" Hey Emacs! This file is -*- nroff -*- source. +.\" This man page was written by Jeremy Phelps <jphelps@notreached.net>. +.\" Redistribute and modify at will. +.\" +.TH GETPT 3 "2002-10-09" "PTY Control" "Linux Programmer's Manual" +.SH NAME +getpt \- open the pseudo-terminal master (PTM) +.SH SYNOPSIS +.nf +.B #include <stdlib.h> +.sp +.B "int getpt(void)" +.fi +.SH DESCRIPTION +.B getpt() +opens a pseudo-terminal master and returns its file descriptor. +It is equivalent to +.BI "open(" \fI"/dev/ptmx" , O_RDWR|O_NOCTTY ) +on Linux systems, though the pseudo-terminal master is located +elsewhere on some systems that use GNU Libc. + +.SH "RETURN VALUE" +.B getpt() +returns an open file descriptor upon successful completion. Otherwise, it +returns -1 and sets +.I errno +to indicate the error. +.SH CONFORMING TO +.B getpt() +is specific to GNU Libc. +.SH "SEE ALSO" +.BR grantpt (3), +.BR ptsname (3), +.BR unlockpt (3), +.BR ptmx (4) |