#include <stdio.h>

/* Define functions for I/O calls that are macros. */

int (getc) (FILE *fp) { return getc (fp); }
int (getchar) (void) { return getchar (); }
int (putc) (int c, FILE *fp) { return putc (c, fp); }
int (putchar) (int c) { return putchar (c); }
void (clearerr) (FILE *fp) { clearerr (fp); }
int (feof) (FILE *fp) { return feof (fp); }
int (ferror) (FILE *fp) { return ferror (fp); }