text: #ifndef COMMENT_H
  #define COMMENT_H
  
  struct comment {
  	int title_size;
  	char *title;
  	int author_size;
  	char *author;
  	int text_size;
  	char *text;
  };
  
  struct comment *new_comment(
  	int title_size, char *title,
  	int author_size, char *author,
  	int text_size, char *text);
  
  void display_comment(struct comment *v);
  
  #endif
  