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5141 | serge | 1 | /* |
2 | * Copyright (c) 1990 The Regents of the University of California. |
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3 | * All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms are permitted |
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6 | * provided that the above copyright notice and this paragraph are |
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7 | * duplicated in all such forms and that any documentation, |
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8 | * advertising materials, and other materials related to such |
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9 | * distribution and use acknowledge that the software was developed |
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10 | * by the University of California, Berkeley. The name of the |
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11 | * University may not be used to endorse or promote products derived |
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12 | * from this software without specific prior written permission. |
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13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR |
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14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED |
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15 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
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16 | */ |
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17 | |||
18 | /* |
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19 | FUNCTION |
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20 | < |
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21 | |||
22 | INDEX |
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23 | ferror |
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24 | |||
25 | ANSI_SYNOPSIS |
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26 | #include |
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27 | int ferror(FILE *<[fp]>); |
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28 | |||
29 | TRAD_SYNOPSIS |
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30 | #include |
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31 | int ferror(<[fp]>) |
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32 | FILE *<[fp]>; |
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33 | |||
34 | DESCRIPTION |
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35 | The < |
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36 | pointer <[fp]>, to record whether any read or write errors have |
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37 | occurred on the associated file or stream. |
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38 | Use < |
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39 | |||
40 | See < |
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41 | |||
42 | RETURNS |
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43 | < |
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44 | nonzero value otherwise. |
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45 | |||
46 | PORTABILITY |
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47 | ANSI C requires < |
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48 | |||
49 | No supporting OS subroutines are required. |
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50 | */ |
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51 | |||
52 | #if defined(LIBC_SCCS) && !defined(lint) |
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53 | static char sccsid[] = "%W% (Berkeley) %G%"; |
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54 | #endif /* LIBC_SCCS and not lint */ |
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55 | |||
56 | #include <_ansi.h> |
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57 | #include |
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58 | #include "local.h" |
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59 | |||
60 | /* A subroutine version of the macro ferror. */ |
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61 | |||
62 | #undef ferror |
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63 | |||
64 | int |
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65 | _DEFUN(ferror, (fp), |
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66 | FILE * fp) |
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67 | { |
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68 | int result; |
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69 | CHECK_INIT(_REENT, fp); |
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70 | _newlib_flockfile_start (fp); |
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71 | result = __sferror (fp); |
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72 | _newlib_flockfile_end (fp); |
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73 | return result; |
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74 | } |