#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <stdlib.h>
char* mystrstr(char* dast,char* arr) {
char *p1 = dast;
char *p2 = arr;
char *s1 = NULL;
if (*arr == '\0') {
return NULL;
}
while (*p1) {
while (*p1 && *p2 && (*p1 == *p2)) {
p1++;
p2++;
}
if (*p2 == '\0') {
return *p1;
}
p1++;
}
}
int main() {
system("pause");
}
感觉有些不对劲,过两天看看