create_message
static char *create_message(char *, char *, char **);
*errorp = create_message(MSG_HDR_CRIT, MSG_HDR_CRIT_MULTI, dependents);
*errorp = create_message(MSG_HDR_STD, MSG_HDR_STD_MULTI, dependents);
*usagep = create_message(MSG_HDR_STD, MSG_HDR_STD_MULTI, dependents);