unlock a pseudoterminal master/slave pair NAME unlockpt - unlock a pseudoterminal master/slave pair LIBRARY Standard C library ( libc , -lc ) SYN......d. STANDARDS GNU. HISTORY glibc 2.1. SEE ALSO grantpt (3), posix_openpt (3), ptsname (3), unlockpt (3), ptmx (4), pty (7)...ong as the master device is open. SEE ALSO open (2), getpt (3), grantpt (3), ptsname (3), unlockpt (3), pts (4), pty (7)...is the case on Linux— or an ioctl (2). SEE ALSO open (2), posix_openpt (3), ptsname (3), unlockpt (3), pts (4), pty (7)...seudoterminal support (see pts (4)). SEE ALSO grantpt (3), posix_openpt (3), ttyname (3), unlockpt (3), pts (4), pty (7)...seudoterminal support (see pts (4)). SEE ALSO grantpt (3), posix_openpt (3), ttyname (3), unlockpt (3), pts (4), pty (7)