1 /* $NetBSD: instat.c,v 1.3 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 "libbug.h" 11 12 /* returns 0 if no characters ready to read */ 13 int 14 peekchar(void) 15 { 16 int ret; 17 18 MVMEPROM_NOARG(); 19 MVMEPROM_CALL(MVMEPROM_INSTAT); 20 MVMEPROM_STATRET(ret); 21 } 22