stdio-common/scanf3.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3
   4 int main(int arc, char *argv)
   5 {
   6   int n, res;
   7   unsigned int val;
   8   char *s;
   9
  10   s = "111";
  11
  12   val = n = -1;
  13   res = sscanf(s, "%u %n", &val, &n);
  14   printf("Result of sscanf = %d\n", res);
  15   printf("Scanned format %%u = %u\n", val);
  16   printf("Possibly scanned format %%n = %d\n", n);
  17   if (n != 3 || val != 111 || res != 1)
  18     abort ();
  19
  20   val = n = -1;
  21   res = sscanf(s, "%u%n", &val, &n);
  22   printf("Result of sscanf = %d\n", res);
  23   printf("Scanned format %%u = %u\n", val);
  24   printf("Possibly scanned format %%n = %d\n", n);
  25   if (n != 3 || val != 111 || res != 1)
  26     abort ();
  27
  28   return 0;
  29   return 0;
  30 }