模拟实现strcpy :
char *My_strcpy(char *dest, const char *src)
{
char *ret = dest;
assert(NULL != dest);
assert(NULL != src);
while((*dest++ = *src++) != '\0')
{
;
}
return ret;
}
模拟实现strcat:
char *My_strcat(char *dest, const char *src)
{
char *ret = dest;
assert(NULL != dest);
assert(NULL != src);
while(*dest != '\0')
{
dest++;
}
while(*dest++ = *src++)
{
;
}
return ret;
}