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67 lines
2 KiB
C
67 lines
2 KiB
C
/*
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* Copyright (C) 2000, 2001 Internet Software Consortium.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
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* DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
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* INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
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* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $Id: stdio.h,v 1.6 2001/01/09 21:57:35 bwelling Exp $ */
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#ifndef ISC_STDIO_H
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#define ISC_STDIO_H 1
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#include <stdio.h>
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#include <isc/lang.h>
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#include <isc/result.h>
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ISC_LANG_BEGINDECLS
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isc_result_t
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isc_stdio_open(const char *filename, const char *mode, FILE **fp);
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isc_result_t
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isc_stdio_close(FILE *f);
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isc_result_t
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isc_stdio_seek(FILE *f, long offset, int whence);
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isc_result_t
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isc_stdio_read(void *ptr, size_t size, size_t nmemb, FILE *f,
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size_t *nret);
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isc_result_t
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isc_stdio_write(const void *ptr, size_t size, size_t nmemb, FILE *f,
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size_t *nret);
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isc_result_t
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isc_stdio_flush(FILE *f);
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/*
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* These functions are wrappers around the corresponding stdio functions,
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* returning a detailed error code in the form of an an isc_result_t. ANSI C
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* does not guarantee that stdio functions set errno, hence these functions
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* must use platform dependent methods (e.g., the POSIX errno) to construct the
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* error code.
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*/
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isc_result_t
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isc_stdio_sync(FILE *f);
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/*
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* Invoke fsync() on the file descriptor underlying an stdio stream, or an
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* equivalent system-dependent operation. Note that this function has no
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* direct counterpart in the stdio library.
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*/
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ISC_LANG_ENDDECLS
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#endif /* ISC_STDIO_H */
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