input.h revision 1.1
1 1.1 cgd /*- 2 1.1 cgd * Copyright (c) 1991 The Regents of the University of California. 3 1.1 cgd * All rights reserved. 4 1.1 cgd * 5 1.1 cgd * This code is derived from software contributed to Berkeley by 6 1.1 cgd * Kenneth Almquist. 7 1.1 cgd * 8 1.1 cgd * Redistribution and use in source and binary forms, with or without 9 1.1 cgd * modification, are permitted provided that the following conditions 10 1.1 cgd * are met: 11 1.1 cgd * 1. Redistributions of source code must retain the above copyright 12 1.1 cgd * notice, this list of conditions and the following disclaimer. 13 1.1 cgd * 2. Redistributions in binary form must reproduce the above copyright 14 1.1 cgd * notice, this list of conditions and the following disclaimer in the 15 1.1 cgd * documentation and/or other materials provided with the distribution. 16 1.1 cgd * 3. All advertising materials mentioning features or use of this software 17 1.1 cgd * must display the following acknowledgement: 18 1.1 cgd * This product includes software developed by the University of 19 1.1 cgd * California, Berkeley and its contributors. 20 1.1 cgd * 4. Neither the name of the University nor the names of its contributors 21 1.1 cgd * may be used to endorse or promote products derived from this software 22 1.1 cgd * without specific prior written permission. 23 1.1 cgd * 24 1.1 cgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 1.1 cgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 1.1 cgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 1.1 cgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 1.1 cgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 1.1 cgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 1.1 cgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 1.1 cgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 1.1 cgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 1.1 cgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 1.1 cgd * SUCH DAMAGE. 35 1.1 cgd * 36 1.1 cgd * @(#)input.h 5.1 (Berkeley) 3/7/91 37 1.1 cgd */ 38 1.1 cgd 39 1.1 cgd /* PEOF (the end of file marker) is defined in syntax.h */ 40 1.1 cgd 41 1.1 cgd /* 42 1.1 cgd * The input line number. Input.c just defines this variable, and saves 43 1.1 cgd * and restores it when files are pushed and popped. The user of this 44 1.1 cgd * package must set its value. 45 1.1 cgd */ 46 1.1 cgd extern int plinno; 47 1.1 cgd extern int parsenleft; /* number of characters left in input buffer */ 48 1.1 cgd extern char *parsenextc; /* next character in input buffer */ 49 1.1 cgd 50 1.1 cgd 51 1.1 cgd #ifdef __STDC__ 52 1.1 cgd char *pfgets(char *, int); 53 1.1 cgd int pgetc(void); 54 1.1 cgd int preadbuffer(void); 55 1.1 cgd void pungetc(void); 56 1.1 cgd void ppushback(char *, int); 57 1.1 cgd void setinputfile(char *, int); 58 1.1 cgd void setinputfd(int, int); 59 1.1 cgd void setinputstring(char *, int); 60 1.1 cgd void popfile(void); 61 1.1 cgd void popallfiles(void); 62 1.1 cgd void closescript(void); 63 1.1 cgd #else 64 1.1 cgd char *pfgets(); 65 1.1 cgd int pgetc(); 66 1.1 cgd int preadbuffer(); 67 1.1 cgd void pungetc(); 68 1.1 cgd void ppushback(); 69 1.1 cgd void setinputfile(); 70 1.1 cgd void setinputfd(); 71 1.1 cgd void setinputstring(); 72 1.1 cgd void popfile(); 73 1.1 cgd void popallfiles(); 74 1.1 cgd void closescript(); 75 1.1 cgd #endif 76 1.1 cgd 77 1.1 cgd #define pgetc_macro() (--parsenleft >= 0? *parsenextc++ : preadbuffer()) 78
Indexes created Wed Sep 24 14:09:57 GMT 2025