模拟strcpy

#include<stdio.h>        #include<Windows.h>#include<assert.h>char* my_strcpy(char*dest, char*scr){int *ret = dest;assert((dest != NULL) && (scr != NULL));while (*(dest++) = *(scr++)){;}return ret;}int main(){char arr[20] = { 0 };char arr1[] = "abcd";my_strcpy(arr, arr1);printf("%s\n", my_strcpy(arr, arr1));system("pause");return 0;}