1 #include <sys/types.h> 2 #include <sys/stat.h> 3 #include <unistd.h> 4 #include <stdio.h> 5 #include <stdlib.h> 6 main(void)7 int main (void) 8 { 9 struct stat buf; 10 11 if (stat (".", &buf) != 0 12 || !S_ISDIR (buf.st_mode)) 13 abort (); 14 printf ("pass\n"); 15 exit (0); 16 } 17