/ *
The write function ANY (S1, S2) returns any of the characters in the string S2 in the first time in the string S1.
Returns -1 if the characters in S2 are not included in S1.
* /
Int An (char * s1, char * s2)
{
/ * Traverse S2 until '/ 0' * /
/ * If there is a match in S1, return position * /
/ * Return -1 * /
INT i = 0;
For (; * s2! = '/ 0'; s2 ) {
For (i = 0; S1 [i]! = '/ 0'; i ) {
IF (S1 [i] == * S2) RETURN I;
}
}
Return -1;
}
