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31 lines
1.1 KiB
C
31 lines
1.1 KiB
C
#ifndef _FILE_DECL
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#define _FILE_DECL
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#define BUFSIZ 8192UL
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#define _FILE_REGISTERED (1<<0)
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#define _FILE_NO_BUFFER (1<<1)
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typedef struct _FILE
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{
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/* This is non-standard, but useful. If you allocate your own FILE and
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register it with fregister, feel free to use modify the following members
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to customize how it works. Don't call the functions directly, though, as
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the standard library does various kinds of buffering and conversion. */
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size_t buffersize;
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char* buffer;
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void* user;
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size_t (*read_func)(void* ptr, size_t size, size_t nmemb, void* user);
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size_t (*write_func)(const void* ptr, size_t size, size_t nmemb, void* user);
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int (*seek_func)(void* user, off_t offset, int whence);
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long (*tell_func)(void* user);
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void (*clearerr_func)(void* user);
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int (*eof_func)(void* user);
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int (*error_func)(void* user);
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int (*fileno_func)(void* user);
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int (*close_func)(void* user);
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void (*free_func)(struct _FILE* fp);
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/* Application writers shouldn't use anything beyond this point. */
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struct _FILE* prev;
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struct _FILE* next;
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int flags;
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size_t bufferused;
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} FILE;
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#endif
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