/* * The routine parsetos() for UNICOS 6.0/6.1 systems.  This * is part of UNICOS 7.0 and later. */#include <stdio.h>#include <sys/types.h>#include <netdb.h>#include <errno.h>#define	MIN_TOS	0#define	MAX_TOS	255intparsetos(name, proto)char	*name;char	*proto;{	register char	*c;	int		tos;	struct tosent	*tosp;	tosp = gettosbyname(name, proto);	if (tosp) {		tos = tosp->t_tos;	} else {		for (c = name; *c; c++) {			if (*c < '0' || *c > '9') {				errno = EINVAL;				return (-1);			}		}		tos = (int)strtol(name, (char **)NULL, 0);	}	if (tos < MIN_TOS || tos > MAX_TOS) {		errno = ERANGE;		return (-1);	}	return (tos);}