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9727
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1 /* Retrieve information about a FILE stream. |
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2 Copyright (C) 2007-2008 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 Return a pointer to the input buffer of STREAM. |
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26 If freadahead (STREAM) > 0, the result is a pointer to freadahead (STREAM) |
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27 bytes. |
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28 If freadahead (STREAM) == 0, the result is not usable; it may be NULL. |
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29 In this case, you should use getc (STREAM), fgetc (STREAM), or |
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30 fread (..., STREAM) to access the input from STREAM. |
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31 |
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32 The resulting pointer becomes invalid upon any operation on STREAM. |
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33 |
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34 STREAM must not be wide-character oriented. */ |
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35 |
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36 extern const char * freadptr (FILE *stream); |
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37 |
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38 #ifdef __cplusplus |
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39 } |
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40 #endif |
