_POSIX_VERSION     89 lib/common/io.c #if _POSIX_VERSION >= 200809L
_POSIX_VERSION    104 maint/gnulib/lib/fseeko.c #elif FUNC_FFLUSH_STDIN < 0 && 200809 <= _POSIX_VERSION
_POSIX_VERSION     36 maint/gnulib/tests/test-nstrftime.c #define TZ_ANGLE_BRACKETS_SHOULD_WORK (200112 <= _POSIX_VERSION)
_POSIX_VERSION     41 replace/alphasort.c #if !defined sgi && !defined _POSIX_VERSION