35 lines
1 KiB
C
35 lines
1 KiB
C
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/*
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<sys/dirent.h> -- file system independent directory entry (SVR3)
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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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#if !defined(_SYS_DIRENT_H)
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#define _SYS_DIRENT_H
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struct dirent /* data from getdents()/readdir() */
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{
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long d_ino; /* inode number of entry */
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off_t d_off; /* offset of disk directory entry */
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unsigned short d_reclen; /* length of this record */
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char d_name[1]; /* name of file */ /* non-POSIX */
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};
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/* The following nonportable ugliness could have been avoided by defining
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DIRENTSIZ and DIRENTBASESIZ to also have (struct dirent *) arguments. */
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#define DIRENTBASESIZ (((struct dirent *)0)->d_name \
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- (char *)&((struct dirent *)0)->d_ino)
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#define DIRENTSIZ( namlen ) ((DIRENTBASESIZ + sizeof(long) + (namlen)) \
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/ sizeof(long) * sizeof(long))
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/* DAG -- the following was moved from <dirent.h>, which was the wrong place */
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#define MAXNAMLEN 512 /* maximum filename length */
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#if !defined(NAME_MAX)
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#define NAME_MAX (MAXNAMLEN - 1) /* DAG -- added for POSIX */
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#endif
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#endif /* _SYS_DIRENT_H */
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