S_ISLNK          550 file.c         #    define S_ISLNK(m) _S_ISLNK(m)
S_ISLNK          553 file.c         #      define S_ISLNK(m) (((unsigned short)(m) & S_IFMT) == _S_IFLNK)
S_ISLNK          556 file.c         #        define S_ISLNK(m) (((unsigned short)(m) & S_IFMT) == S_IFLNK)
S_ISLNK          561 file.c         #      define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
S_ISLNK          564 file.c         #	 define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)