70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
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/* Copyright (C) 1998 DJ Delorie, see COPYING.DJ for details */
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/* Copyright (C) 1995 DJ Delorie, see COPYING.DJ for details */
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#ifndef __dj_include_sys_fsext_h_
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#define __dj_include_sys_fsext_h_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef __dj_ENFORCE_ANSI_FREESTANDING
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#ifndef __STRICT_ANSI__
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#ifndef _POSIX_SOURCE
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#include <stdarg.h>
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typedef enum {
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__FSEXT_nop,
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__FSEXT_open,
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__FSEXT_creat,
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__FSEXT_read,
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__FSEXT_write,
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__FSEXT_ready,
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__FSEXT_close,
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__FSEXT_fcntl,
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__FSEXT_ioctl,
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__FSEXT_lseek,
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__FSEXT_link,
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__FSEXT_unlink,
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__FSEXT_dup,
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__FSEXT_dup2,
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__FSEXT_fstat,
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__FSEXT_stat
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} __FSEXT_Fnumber;
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/* _ready gets passed a fd and should return a mask of these,
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as if we were emulating "int ready(int fd)" */
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#define __FSEXT_ready_read 1
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#define __FSEXT_ready_write 2
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#define __FSEXT_ready_error 4
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/* The return value is nonzero if the function has overridden the
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caller's functionality. */
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typedef int (__FSEXT_Function)(__FSEXT_Fnumber _function_number,
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int *_rv, /*va_list*/void* _args);
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int __FSEXT_alloc_fd(__FSEXT_Function *_function);
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int __FSEXT_set_function(int _fd, __FSEXT_Function *_function);
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__FSEXT_Function *__FSEXT_get_function(int _fd);
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void *__FSEXT_set_data(int _fd, void *_data);
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void *__FSEXT_get_data(int _fd);
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int __FSEXT_add_open_handler(__FSEXT_Function *_function);
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int __FSEXT_call_open_handlers(__FSEXT_Fnumber _function_number,
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int *rv, /*va_list*/void* _args);
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#endif /* !_POSIX_SOURCE */
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#endif /* !__STRICT_ANSI__ */
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#endif /* !__dj_ENFORCE_ANSI_FREESTANDING */
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#ifndef __dj_ENFORCE_FUNCTION_CALLS
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#endif /* !__dj_ENFORCE_FUNCTION_CALLS */
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#ifdef __cplusplus
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}
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#endif
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#endif /* !__dj_include_sys_fsext_h_ */
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