/usr/include/speech_tools/rxp/input.h is in libestools-dev 1:2.4~release-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/* */
/* Copyright (c) 1997-98 Richard Tobin, Language Technology Group, HCRC, */
/* University of Edinburgh. */
/* */
/* THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHOR OR THE UNIVERSITY OF EDINBURGH BE LIABLE */
/* FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF */
/* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION */
/* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/* */
/*************************************************************************/
#ifndef INPUT_H
#define INPUT_H
#ifndef FOR_LT
#define XML_API
#endif
#include <stdio.h>
#include "charset.h"
#include "stdio16.h"
#include "dtd.h"
/* Typedefs */
typedef struct input_source *InputSource;
typedef struct stream_ops *StreamOps;
typedef int ReadProc(StreamOps ops, unsigned char *buf, int max_count);
typedef int WriteProc(StreamOps ops, unsigned char *buf, int count);
typedef void CloseProc(StreamOps ops);
typedef int SeekProc(StreamOps ops, int offset);
/* Input sources */
XML_API InputSource SourceFromStream(const char8 *description, FILE *file);
XML_API InputSource EntityOpen(Entity e);
XML_API InputSource NewInputSource(Entity e, FILE16 *f16);
XML_API int SourceTell(InputSource s);
XML_API int SourceSeek(InputSource s, int offset);
XML_API int SourceLineAndChar(InputSource s, int *linenum, int *charnum);
XML_API void SourcePosition(InputSource s, Entity *entity, int *char_number);
XML_API int get_with_fill(InputSource s);
XML_API void determine_character_encoding(InputSource s);
struct input_source {
Entity entity; /* The entity from which the source reads */
FILE16 *file16;
Char *line;
int line_alloc, line_length;
int next;
int seen_eoe;
int complicated_utf8_line;
int bytes_consumed;
int bytes_before_current_line;
int line_end_was_cr;
int line_number;
int not_read_yet;
struct input_source *parent;
int nextin;
int insize;
unsigned char inbuf[4096];
};
/* EOE used to be -2, but that doesn't work if Char is signed char */
#define XEOE (-999)
#define at_eol(s) ((s)->next == (s)->line_length)
#define get(s) (at_eol(s) ? get_with_fill(s) : (s)->line[(s)->next++])
#define unget(s) ((s)->seen_eoe ? (s)->seen_eoe= 0 : (s)->next--)
#endif /* INPUT_H */
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