| 1 | /* Skipping input from a FILE stream.
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| 2 | Copyright (C) 2007-2016 Free Software Foundation, Inc.
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| 3 |
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| 4 | This program is free software: you can redistribute it and/or modify
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| 5 | it under the terms of the GNU General Public License as published by
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| 6 | the Free Software Foundation; either version 3 of the License, or
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| 7 | (at your option) any later version.
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| 8 |
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| 9 | This program is distributed in the hope that it will be useful,
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 12 | GNU General Public License for more details.
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| 13 |
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| 14 | You should have received a copy of the GNU General Public License
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| 15 | along with this program. If not, see <http://www.gnu.org/licenses/>. */
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| 16 |
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| 17 | #include <stddef.h>
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| 18 | #include <stdio.h>
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| 19 |
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| 20 | #ifdef __cplusplus
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| 21 | extern "C" {
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| 22 | #endif
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| 23 |
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| 24 | /* Assuming the stream STREAM is open for reading:
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| 25 |
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| 26 | Read and discard OFFSET bytes from STREAM.
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| 27 |
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| 28 | freadseek (STREAM, OFFSET) is the same as
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| 29 | fseek (STREAM, OFFSET, SEEK_CUR), except that the latter does not work
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| 30 | on non-seekable input streams (such as pipes).
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| 31 |
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| 32 | Upon success, return 0.
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| 33 | Upon premature end of stream, return 0 (like fseek does).
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| 34 | Upon error, set the error indicator in the stream and return EOF.
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| 35 |
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| 36 | STREAM must not be wide-character oriented. */
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| 37 |
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| 38 | extern int freadseek (FILE *stream, size_t offset);
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| 39 |
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| 40 | #ifdef __cplusplus
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| 41 | }
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| 42 | #endif
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