Query: getpt
OS: centos
Section: 3
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
GETPT(3) Linux Programmer's Manual GETPT(3)NAMEgetpt - open the pseudoterminal master (PTM)SYNOPSIS#define _GNU_SOURCE /* See feature_test_macros(7) */ #include <stdlib.h> int getpt(void);DESCRIPTIONgetpt() opens a pseudoterminal master and returns its file descriptor. It is equivalent to open(/dev/ptmx, O_RDWR | O_NOCTTY); on Linux systems, though the pseudoterminal master is located elsewhere on some systems that use GNU Libc.RETURN VALUEgetpt() returns an open file descriptor upon successful completion. Otherwise, it returns -1 and sets errno to indicate the error.ERRORSgetpt() can fail with various errors described in open(2).VERSIONSgetpt() is provided in glibc since version 2.1.CONFORMING TOgetpt() is glibc-specific; use posix_openpt(3) instead.SEE ALSOgrantpt(3), posix_openpt(3), ptsname(3), unlockpt(3), ptmx(4), pty(7)COLOPHONThis page is part of release 3.53 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.GNU2010-09-10 GETPT(3)
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getpt(3) - v7 |
getpt(3) - bsd |
getpt(3) - netbsd |
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