Choice Pre-Intermediate Workbook with key

main. int get_choice(char *greet, char* choises[]) {  static int selected_row = 0;  int max_row = 0;  int start_screenrow = MESSAGE_LINE, start_screencol = 10;  char **option;  int selected;  int key = 0;  option = choices;  while (*option) {   max_row++;   option++;  }  if (selected_row >= max_row)   selected_row = 0;  clear_all_screen();  mvprintw(start_screenrow - 2, start_screencol, greet);  keypad(stdscr, TRUE);  cbreak();  noecho();  key = 0;  while (key != 'q' && key != KEY_ENTER && key != '\n') {   if (key == KEY_UP) {    if (selected_row == 0) selected_row = max_row - 1;    else selected_row--;   }   if (key == KEY_DOWN) {    if (selected_row == (max_row - 1)) selected_row = 0;    else selected_row++;   }   selected = *choices[selected_row];   draw_menu(choices, selected_row, start_screen_row, start_screencol);   key = getch();  }  keypad(stdscr, FALSE);  nocbreak();  echo();  if (key == 'q') selected = 'q';  return(selected); } 2. Обратите внимание на то, как две локальные функции clear_all_screen ...»