+
−/*
+
− * This library module contains the code that figures out how many digits
+
− * are there in a PDU-encoded Service Centre address.
+
− */
+
−
+
−#include <sys/types.h>
+
−
+
−sc_addr_ndigits(sca)
+
−	u_char *sca;
+
−{
+
−	unsigned nb, nd;
+
−
+
−	nb = sca[0];
+
−	nd = (nb - 1) * 2;
+
−	if ((sca[nb] & 0xF0) == 0xF0)
+
−		nd--;
+
−	return nd;
+
−}