66 lines
2.6 KiB
C
66 lines
2.6 KiB
C
/*-
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. 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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* 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 8.2 (Berkeley) 5/4/95
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* $FreeBSD$
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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 const char *parsenextc; /* next character in input buffer */
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struct alias;
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struct parsefile;
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void resetinput(void);
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int pgetc(void);
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int preadbuffer(void);
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int preadateof(void);
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void pungetc(void);
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void pushstring(const char *, int, struct alias *);
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void setinputfile(const char *, int);
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void setinputfd(int, int);
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void setinputstring(const char *, int);
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void popfile(void);
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struct parsefile *getcurrentfile(void);
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void popfilesupto(struct parsefile *);
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void popallfiles(void);
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void closescript(void);
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#define pgetc_macro() (--parsenleft >= 0? *parsenextc++ : preadbuffer())
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