/* Wrapper to calling fgetc() and fgets() from function "f". The return code is
* returned unless ferror() indicates an error (i.e. to signify an end of file,
- * fgetc() may return an EOF and fgets() a NULL.
+ * fgetc() may return an EOF and fgets() a NULL). try_fgetc() calls clearerr()
+ * on "file" before fgetc(), because some Unixes fgetc() remember old EOFs and
+ * only return those until explicitely cleared.
*/
extern int try_fgetc(FILE * file, char * f);
extern char * try_fgets(char * line, int size, FILE * file, char * f);