温故而知新之C篇

Q1、实现strcpy函数

A1:

#include<stdio.h>
#include<assert.h>

char *strcpy(char *dst, const char *src)
{
    assert((src != NULL) && (dst != NULL));
    char *pStr = dst;
    while ((*dst++ = *src++) != '\0');
    return pStr; 
}


int main()
{
    char dst[100]; 
    printf("%s\n", strcpy(dst, "implement strcpy"));
    return 1;
}

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