yun_oyun的博客

给出一道错误案例： #include <stdio.h> #include <stdlib.h> #include <string.h> char *fun1(char *s1, char *s2) { char rs[100] = {0}; int l1 = strlen(s1); strcpy(rs, s1); strcpy(rs + l1, s2); return rs; }//*fun1 int main() {