2.9BSD/usr/src/lib/libU77/kill_.c

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/*
char id_kill[] = "@(#)kill_.c	1.1";
 *
 * send a signal to a process
 *
 * calling sequence:
 *	ierror = kill(pid, signum)
 * where:
 *	pid must be the process id of one of the user's processes
 *	signum must be a valid signal number (see signal(2))
 *	ierror will be 0 if successful; an error code otherwise.
 */

#include "../libI77/fiodefs.h"

ftnint kill_(pid, signum)
ftnint *pid, *signum;
{
	if (*pid < 0 || *pid > (ftnint) 32767 || *signum < 1 || *signum > 16)
		return((ftnint)(errno=F_ERARG));
	if (kill((int)*pid, (int)*signum) != 0)
		return((ftnint)errno);
	return((ftnint) 0);
}