ex_2-5.c

   1 /*
   2
   3 Returns first location of in data string where any character from test string occurs or -1 if none found.
   4
   5 */
   6
   7 #include <stdio.h>
   8
   9 int any(char test[], char data[])
  10 {
  11         int i,j;
  12
  13         for(i = 0; data[i] != '\0'; i++)
  14         {
  15                 j=0;
  16
  17                 while(test[j] != '\0')
  18                 {
  19                         if(test[j] == data[i]) { return i; } else { j++; }
  20                 }
  21         }
  22         return -1;
  23 }
  24
  25 char test[] = "ax";
  26 char data[] = "123bcx";
  27
  28 int main()
  29 {
  30         int ans = any(test, data);
  31         printf("%d\n", ans);
  32         return 0;
  33 }