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dir(5) [minix man page]

DIR(5)								File Formats Manual							    DIR(5)

NAME
dir - directory layout SYNOPSIS
#include <sys/types.h> #include <sys/dir.h> DESCRIPTION
The directories of the V1 and V2 file systems are arrays of the following structure defined in <sys/dir.h>: struct direct { ino_t d_ino; /* I-node number */ char d_name[14]; /* Name of up to 14 characters */ }; The d_ino field is the inode number of the file named by d_name. D_ino is zero if the directory slot isn't allocated. This number is the same as st_ino returned by stat(2) unless the entry is mounted on. D_name is the name of up to 14 characters, null-terminated only if less then 14 in length. Any character other than null or '/' is allowed. See directory(3) for a portable way to access directories, Minix is probably the last system with these old V7 format directories. SEE ALSO
directory(3). AUTHOR
Kees J. Bot (kjb@cs.vu.nl) DIR(5)

Check Out this Related Man Page

DIRECTORY(3)						     Library Functions Manual						      DIRECTORY(3)

NAME
directory, opendir, readdir, rewinddir, closedir, telldir, seekdir - directory routines SYNOPSIS
#include <sys/types.h> #include <dirent.h> DIR *opendir(const char *dirname) struct dirent *readdir(DIR *dirp) void rewinddir(DIR *dirp) int closedir(DIR *dirp) #define _MINIX 1 #include <sys/types.h> #include <dirent.h> long telldir(DIR *dirp) int seekdir(DIR *dirp, long pos) DESCRIPTION
These routines form a system independent interface to access directories. Opendir() opens the directory dirname and returns a pointer to this open directory stream. Readdir() reads one entry from the directory as a pointer to a structure containing the field d_name, a character array containing the null-terminated name of the entry. Rewinddir() allows the directory to be read again from the beginning. Closedir() closes the directory and releases administrative data. The Minix specific functions telldir() and seekdir() allow one to get the current position in the directory file and to return there later. Seekdir() may only be called with a position returned by telldir() or 0 (rewind). These functions should not be used in portable programs. SEE ALSO
dir(5). DIAGNOSTICS
Opendir() returns a null pointer if dirname can't be opened, or if it can't allocate enough memory for the DIR structure. Readdir() returns null if there are no more directory entries or on error. Closedir() and seekdir() returns 0 on success, -1 on error. Telldir() returns -1 on error. All of them set errno appropriately. Readdir() will only set errno on error, not on end-of-dir, so you should set errno to zero before- hand, and check its value if readdir() returns null. NOTES
The return value of readdir() needs to be copied before the next operation on the same directory if it is to be saved. AUTHOR
Kees J. Bot (kjb@cs.vu.nl) DIRECTORY(3)
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