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      1 /*	$NetBSD: inchr.c,v 1.4 2008/01/12 09:54:31 tsutsui Exp $	*/
      2 
      3 /*
      4  * bug routines -- assumes that the necessary sections of memory
      5  * are preserved.
      6  */
      7 #include <sys/types.h>
      8 #include <machine/prom.h>
      9 
     10 #include <lib/libsa/stand.h>
     11 #include "libbug.h"
     12 
     13 /* returns 0 if no characters ready to read */
     14 int
     15 getchar(void)
     16 {
     17 	int ret;
     18 
     19 	MVMEPROM_NOARG();
     20 	MVMEPROM_CALL(MVMEPROM_INCHR);
     21 	MVMEPROM_RETURN_BYTE(ret);
     22 }
     23