#include "../common/readwrite.h" /* try_fopen(),try_fclose(),textfile_width() */
#include "../common/rexit.h" /* exit_trouble() */
#include "../common/try_malloc.h" /* try_malloc() */
#include "../common/readwrite.h" /* try_fopen(),try_fclose(),textfile_width() */
#include "../common/rexit.h" /* exit_trouble() */
#include "../common/try_malloc.h" /* try_malloc() */