C语言练习2:不用string库实现字符串复制

#ifndef STRCPY_H
#define STRCPY_H 1
void strcpy(char *a,const char *b)
{
    while(*b!='\0')
    {
        *a++=*b++;
    }
}
#endif

#include <stdio.h>
#include <stdlib.h>
#include "strcpy.h"
int main(int argc, const char *argv[])
{
    char *p=(char *)malloc(6*sizeof(char));
    strcpy(p,"hello");
    printf("%s\n",p);
    return 0;
}