projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| da486063 KB |
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 | * %sccs.include.redist.c% | |
| 9 | * | |
| 10 | * @(#)input.h 5.1 (Berkeley) %G% | |
| 11 | */ | |
| 12 | ||
| 13 | /* PEOF (the end of file marker) is defined in syntax.h */ | |
| 14 | ||
| 15 | /* | |
| 16 | * The input line number. Input.c just defines this variable, and saves | |
| 17 | * and restores it when files are pushed and popped. The user of this | |
| 18 | * package must set its value. | |
| 19 | */ | |
| 20 | extern int plinno; | |
| 21 | extern int parsenleft; /* number of characters left in input buffer */ | |
| 22 | extern char *parsenextc; /* next character in input buffer */ | |
| 23 | ||
| 24 | ||
| 25 | #ifdef __STDC__ | |
| 26 | char *pfgets(char *, int); | |
| 27 | int pgetc(void); | |
| 28 | int preadbuffer(void); | |
| 29 | void pungetc(void); | |
| 30 | void ppushback(char *, int); | |
| 31 | void setinputfile(char *, int); | |
| 32 | void setinputfd(int, int); | |
| 33 | void setinputstring(char *, int); | |
| 34 | void popfile(void); | |
| 35 | void popallfiles(void); | |
| 36 | void closescript(void); | |
| 37 | #else | |
| 38 | char *pfgets(); | |
| 39 | int pgetc(); | |
| 40 | int preadbuffer(); | |
| 41 | void pungetc(); | |
| 42 | void ppushback(); | |
| 43 | void setinputfile(); | |
| 44 | void setinputfd(); | |
| 45 | void setinputstring(); | |
| 46 | void popfile(); | |
| 47 | void popallfiles(); | |
| 48 | void closescript(); | |
| 49 | #endif | |
| 50 | ||
| 51 | #define pgetc_macro() (--parsenleft >= 0? *parsenextc++ : preadbuffer()) |