rem: u_int32_t netaddr;
add: uint32_t netaddr;
context: is1918addr(str *saddr){	struct in_addr addr;	u_int32_t netaddr;	int i, rval;	char backup;	rval = -1;	backup = saddr->s[saddr->len];	saddr->s[saddr->len] = '\0';	if (inet_aton(saddr->s, &addr) != 1)		goto theend;	netaddr = ntohl(addr.s_addr);	for (i = 0; nets_1918[i].cnetaddr != NULL; i++) {		if ((netaddr & nets_1918[i].mask) == nets_1918[i].netaddr) {			rval = 1;			goto theend;		}	}	rval = 0;theend:	saddr->s[saddr->len] = backup;	return rval;}