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#include "config.h"
#include <ctype.h>
#include "ether.h"
#include "genlib.h"
#include "stddefs.h"
#include "timer.h"

/* pollConsole():
 * Common function used to query the console port with a message.
 * If after about a 2-second period (or the time specified by POLLTIMEOUT),
 * there is no response from the console, then return 0; else return
 * the character that was received.
 */
int
pollConsole(char *msg)
{
	char	*env;
	int		pollval, msec;
	struct elapsed_tmr tmr;

	env = getenv("POLLTIMEOUT");
	if (env)
		msec = strtol(env,0,0);
	else
		msec = 2000;

	pollval = 0;
	printf("%s",msg);
	startElapsedTimer(&tmr,msec);
	while(!msecElapsed(&tmr)) {
		if (gotachar()) {
			while(gotachar())
				pollval = getchar();
			break;
		}
		pollethernet();
	}
	putstr("\r\n");
	
	if (ELAPSED_TIMEOUT(&tmr))
		return(0);

	return(pollval);
}