projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 15637ed4 RG |
1 | /*- |
| 2 | * Copyright (c) 1991 The Regents of the University of California. | |
| 3 | * 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 | * 3. All advertising materials mentioning features or use of this software | |
| 17 | * must display the following acknowledgement: | |
| 18 | * This product includes software developed by the University of | |
| 19 | * California, Berkeley and its contributors. | |
| 20 | * 4. Neither the name of the University nor the names of its contributors | |
| 21 | * may be used to endorse or promote products derived from this software | |
| 22 | * without specific prior written permission. | |
| 23 | * | |
| 24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 34 | * SUCH DAMAGE. | |
| 35 | * | |
| 68de1ca3 AM |
36 | * from: @(#)input.h 5.1 (Berkeley) 3/7/91 |
| 37 | * input.h,v 1.4 1993/08/01 18:58:27 mycroft Exp | |
| 15637ed4 RG |
38 | */ |
| 39 | ||
| 40 | /* PEOF (the end of file marker) is defined in syntax.h */ | |
| 41 | ||
| 42 | /* | |
| 43 | * The input line number. Input.c just defines this variable, and saves | |
| 44 | * and restores it when files are pushed and popped. The user of this | |
| 45 | * package must set its value. | |
| 46 | */ | |
| 47 | extern int plinno; | |
| 48 | extern int parsenleft; /* number of characters left in input buffer */ | |
| 49 | extern char *parsenextc; /* next character in input buffer */ | |
| 50 | ||
| 51 | ||
| 52 | #ifdef __STDC__ | |
| 53 | char *pfgets(char *, int); | |
| 54 | int pgetc(void); | |
| 55 | int preadbuffer(void); | |
| 56 | void pungetc(void); | |
| 57 | void ppushback(char *, int); | |
| 58 | void setinputfile(char *, int); | |
| 59 | void setinputfd(int, int); | |
| 60 | void setinputstring(char *, int); | |
| 61 | void popfile(void); | |
| 62 | void popallfiles(void); | |
| 63 | void closescript(void); | |
| 64 | #else | |
| 65 | char *pfgets(); | |
| 66 | int pgetc(); | |
| 67 | int preadbuffer(); | |
| 68 | void pungetc(); | |
| 69 | void ppushback(); | |
| 70 | void setinputfile(); | |
| 71 | void setinputfd(); | |
| 72 | void setinputstring(); | |
| 73 | void popfile(); | |
| 74 | void popallfiles(); | |
| 75 | void closescript(); | |
| 76 | #endif | |
| 77 | ||
| 78 | #define pgetc_macro() (--parsenleft >= 0? *parsenextc++ : preadbuffer()) |