strcpy原型:
char *strcpy(char *dest,const char* src)
{
assert((dest!=NULL)&&(src!=NULL));
char *add=dest;//保存原地址;
while((*dest++ = *src++)!='\0');
return add;
}
memcpy原型:
strcpy原型:
char *strcpy(char *dest,const char* src)
{
assert((dest!=NULL)&&(src!=NULL));
char *add=dest;//保存原地址;
while((*dest++ = *src++)!='\0');
return add;
}
memcpy原型: