S_ISFIFO           26 include/uapi/linux/stat.h #define S_ISFIFO(m)	(((m) & S_IFMT) == S_IFIFO)
S_ISFIFO          220 tools/include/nolibc/nolibc.h #define S_ISFIFO(mode) (((mode) & S_IFIFO) == S_IFIFO)
S_ISFIFO           26 tools/include/uapi/linux/stat.h #define S_ISFIFO(m)	(((m) & S_IFMT) == S_IFIFO)