很可惜....没错
void forward_for_backwards(char line_of_char[],int index){
        if(line_of_char[index]){
            printf("%c",line_of_char[index]);
            forward_for_backwards(line_of_char,index+1);
            printf("%c",line_of_char[index]);
        }
}
int main(void){
    char *string="China";
        forward_for_backwards(string,0);
        getch();
    return 0;
}

黑魔法



 
											





 
	    

 
	


