[Removing bug-m4 from the CCs.] Tim Rice reported 7 different issues:
(1) UnixWare 7.1.1 extended stdio (2) OpenServer 5.0.4 extended stdio (3) UnixWare 7.1.1 closein (4) UnixWare 7.1.1 vasprintf-posix (5) Caldera OpenLinux 3.1.1 stdbool & gl_list (6) OpenServer 5.0.4 0f / 0f (7) OpenServer 5.0.4 WINT_MIN, WINT_MAX Please reply separately, with an appropriate subject.