getpt(3) Library Functions Manual getpt(3) getpt - (libc -lc) #define _GNU_SOURCE /* feature_test_macros(7) */ #include int getpt(void); getpt() . open("/dev/ptmx", O_RDWR); . getpt() . -1 errno . getpt() open(2). attributes(7). +------------+------------------------------------+--------------------+ || | | +------------+------------------------------------+--------------------+ |getpt() | | MT-Safe | +------------+------------------------------------+--------------------+ posix_openpt(3) . GNU. glibc 2.1. grantpt(3), posix_openpt(3), ptsname(3), unlockpt(3), ptmx(4), pty(7) 3 . . : . 6.18 26 2025 getpt(3)