commands/ash/input.h

   1 /*-
   2  * Copyright (c) 1991, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * This code is derived from software contributed to Berkeley by
   6  * Kenneth Almquist.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 4. Neither the name of the University nor the names of its contributors
  17  *    may be used to endorse or promote products derived from this software
  18  *    without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  *
  32  *      @(#)input.h     8.2 (Berkeley) 5/4/95
  33  * $FreeBSD: src/bin/sh/input.h,v 1.9 2004/04/06 20:06:51 markm Exp $
  34  */
  35
  36 /* PEOF (the end of file marker) is defined in syntax.h */
  37
  38 /*
  39  * The input line number.  Input.c just defines this variable, and saves
  40  * and restores it when files are pushed and popped.  The user of this
  41  * package must set its value.
  42  */
  43 extern int plinno;
  44 extern int parsenleft;          /* number of characters left in input buffer */
  45 extern char *parsenextc;        /* next character in input buffer */
  46 extern int init_editline;       /* 0 == not setup, 1 == OK, -1 == failed */
  47
  48 char *pfgets(char *, int);
  49 int pgetc(void);
  50 int preadbuffer(void);
  51 void pungetc(void);
  52 void pushstring(char *, int, void *);
  53 void setinputfile(char *, int);
  54 void setinputfd(int, int);
  55 void setinputstring(char *, int);
  56 void popfile(void);
  57 void popallfiles(void);
  58 void closescript(void);
  59
  60 #define pgetc_macro()   (--parsenleft >= 0? *parsenextc++ : preadbuffer())
  61
  62 /*
  63  * $PchId: input.h,v 1.3 2006/03/30 13:49:37 philip Exp $
  64  */