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