#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
void *my_memcpy(void *p1,const void *p2, size_t count)
{
assert(p1);
assert(p2);
char *dest = (char*)p1;
char *src = (char*)p2;
while (count--)
{
*dest++ = *src++;
}
return p1;
}
int main()
{
float arr1[160];
float arr2[10] = {1.0,2.0};
size_t count = sizeof(arr2)*(sizeof(arr2) / sizeof(arr2[0]));
float *ret = my_memcpy(arr1, arr2, count);
int i = 0;
for (i = 0; i < 10; i++)
{
printf("%f ", *(ret+i));
}
system("pause");
return 0;
}【C语言】【面试题】【笔试题】模拟实现数据库中memcpy函数
原文地址：http://10740329.blog.51cto.com/10730329/1714519
