1 /* $NetBSD: input.h,v 1.14 2002/11/24 22:35:40 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 1991, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Kenneth Almquist. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)input.h 8.2 (Berkeley) 5/4/95 39 */ 40 41 /* PEOF (the end of file marker) is defined in syntax.h */ 42 43 /* 44 * The input line number. Input.c just defines this variable, and saves 45 * and restores it when files are pushed and popped. The user of this 46 * package must set its value. 47 */ 48 extern int plinno; 49 extern int parsenleft; /* number of characters left in input buffer */ 50 extern char *parsenextc; /* next character in input buffer */ 51 extern int init_editline; /* 0 == not setup, 1 == OK, -1 == failed */ 52 53 char *pfgets(char *, int); 54 int pgetc(void); 55 int preadbuffer(void); 56 void pungetc(void); 57 void pushstring(char *, int, void *); 58 void popstring(void); 59 void setinputfile(const char *, int); 60 void setinputfd(int, int); 61 void setinputstring(char *, int); 62 void popfile(void); 63 void popallfiles(void); 64 void closescript(int); 65 66 #define pgetc_macro() (--parsenleft >= 0? *parsenextc++ : preadbuffer()) 67