GETPT

Section: Linux Programmer's Manual (3)
Updated: 2002-10-09
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NAME

getpt - open the pseudo-terminal master (PTM)  

SYNOPSIS

#include <stdlib.h>

int getpt(void)
 

DESCRIPTION

getpt() opens a pseudo-terminal master and returns its file descriptor. It is equivalent to open(/dev/ptmx,O_RDWR|O_NOCTTY) on Linux systems, though the pseudo-terminal master is located elsewhere on some systems that use GNU Libc.

 

RETURN VALUE

getpt() returns an open file descriptor upon successful completion. Otherwise, it returns -1 and sets errno to indicate the error.  

CONFORMING TO

getpt() is specific to GNU Libc.  

SEE ALSO

grantpt(3), ptsname(3), posix_openpt(3), unlockpt(3), ptmx(4), pty(7)


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
CONFORMING TO
SEE ALSO

linux.jgfs.net manual pages