// Put post at front 
	if (target->first_post == NULL){
		target->first_post = new_post;
	}
	else{
		Post *curr_first = target->first_post;
		target->first_post = new_post;
		target->first_post->next = curr_first;
	}
I want it to add the new post at the beginning of the target->first_post