#define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK) /* is a block spec */
#define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK) /* is a symlink */
#define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO) /* is a pipe/FIFO */
-#define S_ISSOCK(m) (((m) & S_IFMT) == S_ISOCK) /* is a socket */
+#define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK) /* is a socket */
#define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
