NetBSD/bin/sh/input.h

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/*-
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* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
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*
* This code is derived from software contributed to Berkeley by
* Kenneth Almquist.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
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* from: @(#)input.h 8.1 (Berkeley) 5/31/93
* $Id: input.h,v 1.6 1994/06/11 16:12:00 mycroft Exp $
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*/
/* PEOF (the end of file marker) is defined in syntax.h */
/*
* The input line number. Input.c just defines this variable, and saves
* and restores it when files are pushed and popped. The user of this
* package must set its value.
*/
extern int plinno;
extern int parsenleft; /* number of characters left in input buffer */
extern char *parsenextc; /* next character in input buffer */
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extern int init_editline; /* 0 == not setup, 1 == OK, -1 == failed */
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#ifdef __STDC__
char *pfgets(char *, int);
int pgetc(void);
int preadbuffer(void);
void pungetc(void);
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void pushstring(char *, int, void *);
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void setinputfile(char *, int);
void setinputfd(int, int);
void setinputstring(char *, int);
void popfile(void);
void popallfiles(void);
void closescript(void);
#else
char *pfgets();
int pgetc();
int preadbuffer();
void pungetc();
void setinputfile();
void setinputfd();
void setinputstring();
void popfile();
void popallfiles();
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void pushstring();
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void closescript();
#endif
#define pgetc_macro() (--parsenleft >= 0? *parsenextc++ : preadbuffer())