_SC_TTY_NAME_MAX  573 ext/etc/constdefs.h #if !defined(_SC_TTY_NAME_MAX)
_SC_TTY_NAME_MAX  575 ext/etc/constdefs.h #  define _SC_TTY_NAME_MAX _SC_TTY_NAME_MAX
_SC_TTY_NAME_MAX 1283 ext/etc/constdefs.h #if defined(_SC_TTY_NAME_MAX)
_SC_TTY_NAME_MAX 1284 ext/etc/constdefs.h     rb_define_const(mod, "SC_TTY_NAME_MAX", INTEGER2NUM(_SC_TTY_NAME_MAX));