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Power 6/32 Unix version 1.21

int sigalrm();
main() {
	char cbuf[2];
	signal(1,sigalrm);	
	signal(2,sigalrm);	
	signal(3,sigalrm);	
	signal(4,sigalrm);	
	signal(5,sigalrm);	
	signal(6,sigalrm);	
	signal(7,sigalrm);	
	signal(8,sigalrm);	
	signal(10,sigalrm);	
	signal(11,sigalrm);	
	signal(12,sigalrm);	
	signal(13,sigalrm);	
	signal(14,sigalrm);	
	printf("emgetchar\n");
	alarm(1);
	/* read(0,cbuf,1); */
	open("/dev/tty00",0);
	alarm(0);
printf("read %x\n",(int)cbuf[0]);
}
/* sigalrm -- reset alarm signal (for no-delay reading under v7) */
sigalrm()
{
	signal(14,sigalrm);
	printf("alm call\n");
}

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