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      1 /* Test unknown-syscall output.
      2 #progos: linux
      3 #xerror:
      4 #output: Unimplemented syscall: 0 (0x3, 0x2, 0x1, 0x4, 0x6, 0x5)\n
      5 #output: program stopped with signal 4 (*).\n
      6 */
      7 
      8 #include <unistd.h>
      9 #include <stdio.h>
     10 #include <stdlib.h>
     11 #include <errno.h>
     12 
     13 int main (void)
     14 {
     15   int err;
     16 
     17   /* Check special case of number 0 syscall.  */
     18   err = syscall (0, 3, 2, 1, 4, 6, 5);
     19   if (err == -1 && errno == ENOSYS)
     20     printf ("ENOSYS\n");
     21   printf ("xyzzy\n");
     22   exit (0);
     23 }
     24