85 lines
3 KiB
C
85 lines
3 KiB
C
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/*-
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* Copyright (c) 1991 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Kenneth Almquist.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)input.h 5.1 (Berkeley) 3/7/91
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*/
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/* PEOF (the end of file marker) is defined in syntax.h */
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/*
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* The input line number. Input.c just defines this variable, and saves
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* and restores it when files are pushed and popped. The user of this
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* package must set its value.
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*/
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extern int plinno;
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extern int parsenleft; /* number of characters left in input buffer */
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extern char *parsenextc; /* next character in input buffer */
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#ifdef __STDC__
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char *pfgets(char *, int);
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int pgetc(void);
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int preadbuffer(void);
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void pungetc(void);
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void ppushback(char *, int);
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void setinputfile(char *, int);
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void setinputfd(int, int);
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void setinputstring(char *, int);
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void popfile(void);
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void popallfiles(void);
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void closescript(void);
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#else
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char *pfgets();
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int pgetc();
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int preadbuffer();
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void pungetc();
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void ppushback();
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void setinputfile();
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void setinputfd();
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void setinputstring();
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void popfile();
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void popallfiles();
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void closescript();
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#endif
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#define pgetc_macro() (--parsenleft >= 0? *parsenextc++ : preadbuffer())
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#if READLINE
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/* The variable "r_use_prompt" indicates the prompt to use with readline,
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* *and* that readline may only be used if non-NULL.
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*/
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extern char *r_use_prompt;
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#endif
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