GNU/Linux man pages
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GNU/Linux |
CentOS 4.8 |
i386 |
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getpt(3) |
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getpt − open the pseudo-terminal master (PTM)
#include <stdlib.h>
int getpt(void)
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.
getpt() returns an open file descriptor upon successful completion. Otherwise, it returns -1 and sets errno to indicate the error.
getpt() is specific to GNU Libc.
ptmx(4), grantpt(3), unlockpt(3), ptsname(3)
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getpt(3) | |