原型：void *memcpy(void *dest, const void *src, size_t n)例子：#include #include int main(void){ char src[] = "******************************"; char dest[] = "abcdefghijlkmnopqrstuvwxyz0123456709"; char *ptr; printf("destination before memcpy: %s", dest); ptr = memcpy(dest, src, strlen(src)); if (ptr) printf("destination after memcpy: %s", dest); else printf("memcpy failed"); return 0;}。