HDU2087 找字符串 strstr 不错

#include<stdio.h>#include<string.h>int main(){    char a[1010],b[1010];    int len,sum;    char *p;    while(scanf("%s",a),a[0]!='#'){            scanf("%s",b);            len=strlen(b);        for(p=a,sum=0;p=strstr(p,b);p+=len,sum++);            printf("%d\n",sum);    }    return 0;}//strstr