Search string for occurrence of character set: how to use strcspn



#include <stdio.h>
#include <string.h>

int main ()
{
  char str1[] = "1245789000";
  char str2[] = "1234567890";
  int i;
  i = strcspn (str1,str2);

  printf ("The first number in str1 is str1[%d]\n", i);

  return 0;
}

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Search string for occurrence of character set: how to use strcspn : String Search « String « C / ANSI-C

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