/*	alarm1.cpp
 *	an alarm example of synchronous version
 */
#include <stdio.h>
#include <unistd.h>

int main()
{
	int seconds;
	char line[128];
	char message[64];

	while(1) {
		printf("Alarm>");
		if (fgets(line, sizeof (line), stdin) == NULL) exit(0);
		if (strlen (line) <=1) continue;
		
		/* separate the number of seconds to wait (%d) from the message
		 * string to print (%64[^\n] , the rest of the line, up to 64
		 * characters excluding newline).
		 */		
		if (sscanf(line, "%d %64[^\n]",
		    &seconds, message ) <2 ) {
		    fprintf( stderr, "Bad Command\n");
		}
		else {
		    sleep (seconds);
		    printf( "(%d) %s\n", seconds, message);
		}
	}
}