Support scanning only a range of the file.

[pgn-extract] / lex.h

diff --git a/lex.h b/lex.h
index e0cb4dc40062471dba964fb98a6f12ac27717695..a310e9dba94128c55667a39bea5de72d1a4a396c 100644 (file)
--- a/lex.h
+++ b/lex.h
@@ -78,6 +78,8 @@ const char *tag_header_string(TagName tag);
 Boolean open_first_file(void);
 const char *input_file_name(unsigned file_number);
 unsigned current_file_number(void);
+Boolean seek_to_begin(void);
+Boolean at_end_of_input(void);
 Boolean open_eco_file(const char *eco_file);
 int yywrap(void);
 void add_filename_to_source_list(const char *filename,SourceFileType file_type);