_SC_TTY_NAME_MAX  726 ext/posix/posix.c #if defined(ZTS) && defined(HAVE_TTYNAME_R) && defined(_SC_TTY_NAME_MAX)
_SC_TTY_NAME_MAX  744 ext/posix/posix.c #if defined(ZTS) && defined(HAVE_TTYNAME_R) && defined(_SC_TTY_NAME_MAX)
_SC_TTY_NAME_MAX  745 ext/posix/posix.c 	buflen = sysconf(_SC_TTY_NAME_MAX);