43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/* Skipping input from a FILE stream.
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Copyright (C) 2007-2022 Free Software Foundation, Inc.
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This file is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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This file is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#include <stddef.h>
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#include <stdio.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Assuming the stream STREAM is open for reading:
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Read and discard OFFSET bytes from STREAM.
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freadseek (STREAM, OFFSET) is the same as
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fseek (STREAM, OFFSET, SEEK_CUR), except that the latter does not work
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on non-seekable input streams (such as pipes).
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Upon success, return 0.
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Upon premature end of stream, return 0 (like fseek does).
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Upon error, set the error indicator in the stream and return EOF.
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STREAM must not be wide-character oriented. */
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extern int freadseek (FILE *stream, size_t offset);
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#ifdef __cplusplus
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}
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#endif
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