HAVE_SEQPACKET
HAVE_SETITIMER
HAVE_SETLOCALE
-HAVE_SETPGID
HAVE_SETRLIMIT
-HAVE_SETSID
HAVE_SHARED_GAME_DIR
HAVE_SHUTDOWN
HAVE_SIGNED_${GLTYPE}
O_RDONLY
O_RDWR
PAGESIZE
-PENDING_OUTPUT_COUNT
PREFER_VSUSP
PTY_ITERATION
PTY_NAME_SPRINTF
PTY_TTY_NAME_SPRINTF
PURESIZE
RUN_TIME_REMAP
-SETPGRP_RELEASES_CTTY
SETUP_SLAVE_PTY
SIGALRM
SIGCHLD