#define		import_libc
#define		import_spp
#define		import_knames
#define		import_xwhen
#define		import_setjmp
#include	<iraf.h>

jmp_buf env;
static int sig_dfl = X_IGNORE;

reviewsig (flag)
int	flag;		/* 0=default, 1=ignore, 2=jump */
{
	int	on_intr(), old;

	/*
	switch (flag) {
	case 0:
	    c_xwhen (X_INT, sig_dfl, &old);
	    break;
	case 1:
	    c_xwhen (X_INT, X_IGNORE, &old);
	    break;
	case 2:
	    c_xwhen (X_INT, on_intr, &old);
	    break;
	}

	if (sig_dfl == X_IGNORE)
	    sig_dfl = old;
	*/
}

on_intr (sig, next)
int	*sig;
int	*next;
{
	*next = X_IGNORE;
	longjmp(env, 0);
}