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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-24 04:52:24 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-24 04:52:24 +0000 |
commit | 100d1b33f088fd38f69129afff7f9c2a1e084a57 (patch) | |
tree | 5bf6b0bb14f22ecf0a5e9439fdd4c4758402400c /man/man3/getpt.3 | |
parent | Releasing progress-linux version 6.7-2~progress7.99u1. (diff) | |
download | manpages-100d1b33f088fd38f69129afff7f9c2a1e084a57.tar.xz manpages-100d1b33f088fd38f69129afff7f9c2a1e084a57.zip |
Merging upstream version 6.8.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'man/man3/getpt.3')
-rw-r--r-- | man/man3/getpt.3 | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/man/man3/getpt.3 b/man/man3/getpt.3 new file mode 100644 index 0000000..8b2064f --- /dev/null +++ b/man/man3/getpt.3 @@ -0,0 +1,74 @@ +'\" t +.\" This man page was written by Jeremy Phelps <jphelps@notreached.net>. +.\" +.\" %%%LICENSE_START(FREELY_REDISTRIBUTABLE) +.\" Redistribute and modify at will. +.\" %%%LICENSE_END +.\" +.TH getpt 3 2024-05-02 "Linux man-pages (unreleased)" +.SH NAME +getpt \- open a new pseudoterminal master +.SH LIBRARY +Standard C library +.RI ( libc ", " \-lc ) +.SH SYNOPSIS +.nf +.BR "#define _GNU_SOURCE" " /* See feature_test_macros(7) */" +.B #include <stdlib.h> +.P +.B "int getpt(void);" +.fi +.SH DESCRIPTION +.BR getpt () +opens a new pseudoterminal device and returns a file descriptor +that refers to that device. +It is equivalent to opening the pseudoterminal multiplexor device +.P +.in +4n +.EX +open("/dev/ptmx", O_RDWR); +.EE +.in +.P +on Linux systems, though the pseudoterminal multiplexor device is located +elsewhere on some systems that use the GNU C library. +.SH RETURN VALUE +.BR getpt () +returns an open file descriptor upon successful completion. +Otherwise, it +returns \-1 and sets +.I errno +to indicate the error. +.SH ERRORS +.BR getpt () +can fail with various errors described in +.BR open (2). +.SH ATTRIBUTES +For an explanation of the terms used in this section, see +.BR attributes (7). +.TS +allbox; +lbx lb lb +l l l. +Interface Attribute Value +T{ +.na +.nh +.BR getpt () +T} Thread safety MT-Safe +.TE +.SH VERSIONS +Use +.BR posix_openpt (3) +instead. +.SH STANDARDS +GNU. +.SH HISTORY +glibc 2.1. +.SH SEE ALSO +.BR grantpt (3), +.BR posix_openpt (3), +.BR ptsname (3), +.BR unlockpt (3), +.BR ptmx (4), +.BR pty (7) |