unlockpt — unlock a pseudo-terminal master/slave pair
#define _XOPEN_SOURCE #include <stdlib.h>
int
unlockpt( |
int | fd) ; |
The unlockpt
() function
unlocks the slave pseudo-terminal device (pty) corresponding
to the master pty referred to by fd
.
unlockpt
() should be called
before opening the slave side of a pty.
When successful, unlockpt
()
returns 0. Otherwise, it returns −1 and sets
errno
appropriately.
The fd
argument is not a file descriptor open for writing.
The fd
argument is not associated with a master pty.
grantpt(3), posix_openpt(3), ptsname(3), pts(4), feature_test_macros(7), pty(7)
This page is in the public domain. - aeb |