// ²òÅú3.7 strcon.c
#include <stdio.h>
#include <stdlib.h>

int con(const char *s1, const char *s2) {
    int c=0;
    int i1,i2;
    for (i2=0;s2[i2];i2++) {
	if (s1[0]==s2[i2]) {
	    for (i1=0;s1[i1];i1++) {
		if (s1[i1]!=s2[i2+i1]) break;
	    }
	    if (s1[i1]) continue; 
	    c++; /* return 1 */
	}
    }
    return c; /* return 0 */
}

const char x1[]="aba";
const char x2[]="abababc";

int main() {
    printf("con(%s,%s)=%d\n", x1, x2, con(x1,x2) );
    return 0;
}