67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
/*
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<dirent.h> -- definitions for SVR3 directory access routines
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last edit: 25-Apr-1987 D A Gwyn
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Prerequisite: <sys/types.h>
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*/
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/* NOTE! The actual routines by D A Gwyn aren't used in linux - I though
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* they were too complicated, so I wrote my own. I use the header files,
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* though, as I didn't know what should be in them.
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*/
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#ifndef _DIRENT_H
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#define _DIRENT_H
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#include <traditional.h>
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#include <sys/types.h>
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#include <sys/dirent.h>
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/* buffer size for fs-indep. dirs
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* must in general be larger than the filesystem buffer size
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*/
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/* For now, syscall readdir () only supports one entry at a time. It
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* will be changed in the future.
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#define NUMENT 3
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*/
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#ifndef NUMENT
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#define NUMENT 1
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#endif
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typedef struct {
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int dd_fd; /* file descriptor */
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int dd_loc; /* offset in buffer */
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int dd_size; /* # of valid entries in buffer */
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struct dirent *dd_buf; /* -> directory buffer */
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} DIR; /* stream data from opendir() */
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern DIR *opendir _ARGS ((const char * __dirname));
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extern struct dirent *readdir _ARGS ((DIR *__dir));
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extern off_t telldir _ARGS ((DIR *__dir));
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extern void seekdir _ARGS ((DIR * __dir, off_t __loc));
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extern void rewinddir _ARGS ((DIR *__dir));
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extern int closedir _ARGS ((DIR *__dir));
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typedef int (*__dir_select_fn_t)(const struct dirent *);
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typedef int (*__dir_compar_fn_t)(const struct dirent * const *,
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const struct dirent * const *);
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extern int scandir _ARGS ((const char *__dirname,
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struct dirent ***__namelist,
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__dir_select_fn_t __select,
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__dir_compar_fn_t __compar));
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extern int alphasort _ARGS ((const struct dirent * const *__d1,
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const struct dirent * const *__d2));
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#ifdef __cplusplus
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}
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#endif
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#endif
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