FPUTC(3)
NAME
fputc, putchar − put character to a device
SYNOPSIS
#include <io.h>
int fputc(device, c)
int device;
char c;
putchar(c)
DESCRIPTION
These procedures are included for compatibility with UNIX. Fputc appends the character c to the named output device, and returns SYSERR if device is invalid; it is defined to be putc(device, c).
Putchar(c) is also defined to be putc(CONSOLE, c).
SEE ALSO
December 01, 1986 — Xinu Programmer’s Manual