| 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 | * %sccs.include.redist.c% |
| 9 | * |
| 10 | * @(#)input.h 8.2 (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 | extern int init_editline; /* 0 == not setup, 1 == OK, -1 == failed */ |
| 24 | |
| 25 | char *pfgets __P((char *, int)); |
| 26 | int pgetc __P((void)); |
| 27 | int preadbuffer __P((void)); |
| 28 | void pungetc __P((void)); |
| 29 | void pushstring __P((char *, int, void *)); |
| 30 | void popstring __P((void)); |
| 31 | void setinputfile __P((char *, int)); |
| 32 | void setinputfd __P((int, int)); |
| 33 | void setinputstring __P((char *, int)); |
| 34 | void popfile __P((void)); |
| 35 | void popallfiles __P((void)); |
| 36 | void closescript __P((void)); |
| 37 | |
| 38 | #define pgetc_macro() (--parsenleft >= 0? *parsenextc++ : preadbuffer()) |