--- a/misc/winutils/include/libavutil/file.h	Sat Aug 31 22:30:29 2019 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,54 +0,0 @@
-/*
- * This file is part of Libav.
- *
- * Libav is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * Libav is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef AVUTIL_FILE_H
-#define AVUTIL_FILE_H
-
-#include <stdint.h>
-
-#include "avutil.h"
-
-/**
- * @file
- * Misc file utilities.
- */
-
-/**
- * Read the file with name filename, and put its content in a newly
- * allocated buffer or map it with mmap() when available.
- * In case of success set *bufptr to the read or mmapped buffer, and
- * *size to the size in bytes of the buffer in *bufptr.
- * The returned buffer must be released with av_file_unmap().
- *
- * @param log_offset loglevel offset used for logging
- * @param log_ctx context used for logging
- * @return a non negative number in case of success, a negative value
- * corresponding to an AVERROR error code in case of failure
- */
-int av_file_map(const char *filename, uint8_t **bufptr, size_t *size,
-                int log_offset, void *log_ctx);
-
-/**
- * Unmap or free the buffer bufptr created by av_file_map().
- *
- * @param size size in bytes of bufptr, must be the same as returned
- * by av_file_map()
- */
-void av_file_unmap(uint8_t *bufptr, size_t size);
-
-#endif /* AVUTIL_FILE_H */