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input.h revision 1.8
      1  1.7       cgd /*	$NetBSD: input.h,v 1.8 1995/05/11 21:29:16 christos Exp $	*/
      2  1.7       cgd 
      3  1.1       cgd /*-
      4  1.5       jtc  * Copyright (c) 1991, 1993
      5  1.5       jtc  *	The Regents of the University of California.  All rights reserved.
      6  1.1       cgd  *
      7  1.1       cgd  * This code is derived from software contributed to Berkeley by
      8  1.1       cgd  * Kenneth Almquist.
      9  1.1       cgd  *
     10  1.1       cgd  * Redistribution and use in source and binary forms, with or without
     11  1.1       cgd  * modification, are permitted provided that the following conditions
     12  1.1       cgd  * are met:
     13  1.1       cgd  * 1. Redistributions of source code must retain the above copyright
     14  1.1       cgd  *    notice, this list of conditions and the following disclaimer.
     15  1.1       cgd  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.1       cgd  *    notice, this list of conditions and the following disclaimer in the
     17  1.1       cgd  *    documentation and/or other materials provided with the distribution.
     18  1.1       cgd  * 3. All advertising materials mentioning features or use of this software
     19  1.1       cgd  *    must display the following acknowledgement:
     20  1.1       cgd  *	This product includes software developed by the University of
     21  1.1       cgd  *	California, Berkeley and its contributors.
     22  1.1       cgd  * 4. Neither the name of the University nor the names of its contributors
     23  1.1       cgd  *    may be used to endorse or promote products derived from this software
     24  1.1       cgd  *    without specific prior written permission.
     25  1.1       cgd  *
     26  1.1       cgd  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     27  1.1       cgd  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     28  1.1       cgd  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     29  1.1       cgd  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     30  1.1       cgd  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     31  1.1       cgd  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     32  1.1       cgd  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     33  1.1       cgd  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     34  1.1       cgd  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     35  1.1       cgd  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     36  1.1       cgd  * SUCH DAMAGE.
     37  1.1       cgd  *
     38  1.8  christos  *	@(#)input.h	8.2 (Berkeley) 5/4/95
     39  1.1       cgd  */
     40  1.1       cgd 
     41  1.1       cgd /* PEOF (the end of file marker) is defined in syntax.h */
     42  1.1       cgd 
     43  1.1       cgd /*
     44  1.1       cgd  * The input line number.  Input.c just defines this variable, and saves
     45  1.1       cgd  * and restores it when files are pushed and popped.  The user of this
     46  1.1       cgd  * package must set its value.
     47  1.1       cgd  */
     48  1.1       cgd extern int plinno;
     49  1.1       cgd extern int parsenleft;		/* number of characters left in input buffer */
     50  1.1       cgd extern char *parsenextc;	/* next character in input buffer */
     51  1.5       jtc extern int init_editline;	/* 0 == not setup, 1 == OK, -1 == failed */
     52  1.1       cgd 
     53  1.8  christos char *pfgets __P((char *, int));
     54  1.8  christos int pgetc __P((void));
     55  1.8  christos int preadbuffer __P((void));
     56  1.8  christos void pungetc __P((void));
     57  1.8  christos void pushstring __P((char *, int, void *));
     58  1.8  christos void popstring __P((void));
     59  1.8  christos void setinputfile __P((char *, int));
     60  1.8  christos void setinputfd __P((int, int));
     61  1.8  christos void setinputstring __P((char *, int));
     62  1.8  christos void popfile __P((void));
     63  1.8  christos void popallfiles __P((void));
     64  1.8  christos void closescript __P((void));
     65  1.1       cgd 
     66  1.1       cgd #define pgetc_macro()	(--parsenleft >= 0? *parsenextc++ : preadbuffer())
     67