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- /*-
- * Copyright (c) 1991 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Kenneth Almquist.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * from: @(#)input.h 5.1 (Berkeley) 3/7/91
- * input.h,v 1.4 1993/08/01 18:58:27 mycroft Exp
- */
-
- /* PEOF (the end of file marker) is defined in syntax.h */
-
- /*
- * The input line number. Input.c just defines this variable, and saves
- * and restores it when files are pushed and popped. The user of this
- * package must set its value.
- */
- extern int plinno;
- extern int parsenleft; /* number of characters left in input buffer */
- extern char *parsenextc; /* next character in input buffer */
-
-
- #ifdef __STDC__
- char *pfgets(char *, int);
- int pgetc(void);
- int preadbuffer(void);
- void pungetc(void);
- void ppushback(char *, int);
- void setinputfile(char *, int);
- void setinputfd(int, int);
- void setinputstring(char *, int);
- void popfile(void);
- void popallfiles(void);
- void closescript(void);
- #else
- char *pfgets();
- int pgetc();
- int preadbuffer();
- void pungetc();
- void ppushback();
- void setinputfile();
- void setinputfd();
- void setinputstring();
- void popfile();
- void popallfiles();
- void closescript();
- #endif
-
- #define pgetc_macro() (--parsenleft >= 0? *parsenextc++ : preadbuffer())
-