#include <stdio.h>
#include <string.h>
int main(void) {
char sentence[] = "Hello. Iam John!";
char nonsense[] = "~*%#";
char letters[] = "ABCDEdFGHIJKLMNOPQRSTUVWXYZ\
abcdefghijklmnopqrstuvwxyz";
int numskipped;
numskipped = strcspn(sentence, letters);
printf ("%d chars skipped over until a letter was found.\n", numskipped);
numskipped = strspn (sentence, letters);
printf ("%d chars skipped over until a letter was found.\n", numskipped);
numskipped = strcspn (sentence, nonsense);
printf ("%d chars skipped over until a letter was found.\n", numskipped);
printf("Hello World!\n");
return 0;
}