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+/* ------------------------------------------------------------------------
+@NAME : lex_auxiliary.h
+@DESCRIPTION: Macros and function prototypes needed by the lexical scanner.
+ Some of these are called from internal PCCTS code, and some
+ are explicitly called from the lexer actions in bibtex.g.
+@CREATED : Summer 1996, Greg Ward
+@MODIFIED :
+@VERSION : $Id: lex_auxiliary.h,v 1.15 1999/11/29 01:13:10 greg Rel $
+@COPYRIGHT : Copyright (c) 1996-99 by Gregory P. Ward. All rights reserved.
+
+ This file is part of the btparse library. This library is
+ free software; you can redistribute it and/or modify it under
+ the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+-------------------------------------------------------------------------- */
+#ifndef LEX_AUXILIARY_H
+#define LEX_AUXILIARY_H
+
+#include "btparse.h"
+#include "attrib.h"
+
+#define ZZCOPY_FUNCTION 0
+
+#if ZZCOPY_FUNCTION
+#define ZZCOPY zzcopy (&zznextpos, &lastpos, &zzbufovf)
+#else
+#define ZZCOPY \
+ if (zznextpos >= lastpos) \
+ { \
+ lexer_overflow (&lastpos, &zznextpos); \
+ } \
+ *(zznextpos++) = zzchar;
+#endif
+
+
+/* Function prototypes: */
+
+void lex_info (void);
+void zzcr_attr (Attrib *a, int tok, char *txt);
+
+void alloc_lex_buffer (int size);
+void free_lex_buffer (void);
+void lexer_overflow (unsigned char **lastpos, unsigned char **nextpos);
+#if ZZCOPY_FUNCTION
+void zzcopy (char **nextpos, char **lastpos, int *ovf_flag);
+#endif
+
+void initialize_lexer_state (void);
+bt_metatype entry_metatype (void);
+
+void newline (void);
+void comment (void);
+void at_sign (void);
+void toplevel_junk (void);
+void name (void);
+void lbrace (void);
+void rbrace (void);
+void lparen (void);
+void rparen (void);
+
+void start_string (char start_char);
+void end_string (char end_char);
+void open_brace (void);
+void close_brace (void);
+void lparen_in_string (void);
+void rparen_in_string (void);
+void quote_in_string (void);
+void check_runaway_string (void);
+
+#endif /* ! defined LEX_AUXILIARY_H */