待测

来源：互联网发布：win平板安装ubuntu 编辑：程序博客网时间：2024/04/29 10:48

#include <stdio.h>

#include <malloc.h>

#include <assert.h>

#include <string.h>

#define MAX 6

//缓缓右移n个

void Loopmove1(char *pStr, int steps)

{

int n = strlen(pStr) - steps;

char tmp[MAX];

strcpy(tmp, pStr+n);

strcpy(tmp+steps, pStr);

*(tmp + strlen(pStr)) = '\0';

strcpy(pStr, tmp); //出错啦

}

void Loopmove2(char *pStr, int steps)

{

int n = strlen(pStr) - steps;

char tmp[MAX];

memcpy(tmp, pStr+n, steps);

memcpy(pStr+steps, pStr, n); //出错啦

memcpy(pStr, tmp, steps);

}

int main()

{

int n = 3;

char *f = "123456789";

Loopmove1(f, n);

Loopmove2(f, n);

printf("%s\n",f);

return 0;

}