func: int main(int argc, char **argv) char * userstr ; char * userstr2 ; if ( argc > 2 )  userstr = argv [ 1 ]; userstr2 = argv [ 2 ]; test ( userstr , userstr2 ); void test(char *str, char *str2) char buf [ MAXSIZE ] = "" ; if ( strlen ( str ) < MAXSIZE )  