grant access to the slave pseudoterminal NAME grantpt - grant access to the slave pseudotermina......MT-Safe VERSIONS Use posix_openpt (3) instead. STANDARDS GNU. HISTORY glibc 2.1. SEE ALSO grantpt (3), posix_openpt (3), ptsname (3), unlockpt (3), ptmx (4), pty (7)...) Thread safety MT-Safe STANDARDS POSIX.1-2008. HISTORY glibc 2.1. POSIX.1-2001. SEE ALSO grantpt (3), posix_openpt (3), ptsname (3), pts (4), pty (7)...pathname exists only as long as the master device is open. SEE ALSO open (2), getpt (3), grantpt (3), ptsname (3), unlockpt (3), pts (4), pty (7)...ibc 2.1. ptsname () is part of the UNIX 98 pseudoterminal support (see pts (4)). SEE ALSO grantpt (3), posix_openpt (3), ttyname (3), unlockpt (3), pts (4), pty (7)...ibc 2.1. ptsname () is part of the UNIX 98 pseudoterminal support (see pts (4)). SEE ALSO grantpt (3), posix_openpt (3), ttyname (3), unlockpt (3), pts (4), pty (7)...compatibility with some other systems. RETURN VALUE On success (all requested permissions granted), zero is returned. On error (at least one bit in mode asked for a permission t…...compatibility with some other systems. RETURN VALUE On success (all requested permissions granted), zero is returned. On error (at least one bit in mode asked for a permission t…...s settings are masked against the process umask. Both read and write permission should be granted to each class of user that will access the semaphore. The value argument specif…