getpt (3) - Linux Manuals
getpt: open a new pseudoterminal master
getpt - open a new pseudoterminal master
#define _GNU_SOURCE /* See feature_test_macros(7) */ #include <stdlib.h> int getpt(void);
DESCRIPTIONgetpt() opens a new pseudoterminal device and returns a file descriptor that refers to that device. It is equivalent to opening the pseudoterminal multiplexor device
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.
ATTRIBUTESFor an explanation of the terms used in this section, see attributes(7).
CONFORMING TOgetpt() is glibc-specific; use posix_openpt(3) instead.
COLOPHONThis page is part of release 5.10 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.