/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ /* All Rights Reserved */ #include "mail.h" /* get next token p -> string to be searched s -> area to return token returns: p -> updated string pointer s -> token NULL -> no token */ char * getarg(s, p) register char *s, *p; { while (*p == ' ' || *p == '\t') p++; if (*p == '\n' || *p == '\0') return(NULL); while (*p != ' ' && *p != '\t' && *p != '\n' && *p != '\0') *s++ = *p++; *s = '\0'; return(p); }