S_ISFIFO          177 lib/sys_stat.in.h # undef S_ISFIFO
S_ISFIFO          217 lib/sys_stat.in.h #  define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
S_ISFIFO          219 lib/sys_stat.in.h #  define S_ISFIFO(m) 0
S_ISFIFO           66 nt/inc/sys/stat.h #define	S_ISFIFO(m)	(((m) & S_IFMT) == S_IFIFO)