head.c revision 6c83d09f819e9de7126c8539546eca2e276df44a
/*
* 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
* 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 1995 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* University Copyright- Copyright (c) 1982, 1986, 1988
* The Regents of the University of California
* All Rights Reserved
*
* University Acknowledgment- Portions of this document are derived from
* software developed by the University of California, Berkeley, and its
* contributors.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include "rcv.h"
/*
* mailx -- a modified version of a University of California at Berkeley
* mail program
*
* Routines for processing and detecting headlines.
*/
/*
* See if the passed line buffer is a mail header.
* Return true if yes.
*/
int
{
register char *cp;
return(0);
return(0);
}
return(1);
}
/*
* Split a headline into its useful components.
* Copy the line into dynamic string space, then set
* pointers into the copied line in the passed headline
* structure. Actually, it scans.
*/
void
{
char *sp;
/*
* Skip the first "word" of the line, which should be "From"
* anyway.
*/
}
/*
* Copy the string on the left into the string on the right
* and bump the right (reference) string pointer by the length.
* Thus, dynamically allocate space in the right string, copying
* the left string into it.
*/
static char *
{
register int s;
cp += s + 1;
return(top);
}
/*
* Collect a liberal (space, tab delimited) word into the word buffer
* passed. Also, return a pointer to the next word following that,
* or NOSTR if none follow.
*/
static char *
{
return(NOSTR);
}
if (*cp == '"') {
if (*cp == '"')
} else
*cp2 = '\0';
cp++;
if (*cp == '\0')
return(NOSTR);
return(cp);
}
/*
* Copy str1 to str2, return pointer to null in str2.
*/
char *
{
while (*s1)
*s2 = 0;
return(s2);
}
/*
* Is ch any of the characters in str?
*/
int
{
register char *f;
int c;
f = str;
c = ch;
while (*f)
if (c == *f++)
return(1);
return(0);
}