页首

C库之dirent.h

The Single UNIX ® Specification, Version 2
Copyright © 1997 The Open Group

 NAME

dirent.h - format of directory entries

 SYNOPSIS



#include <dirent.h>

 DESCRIPTION

The internal format of directories is unspecified.

The <dirent.h> header defines the following data type through typedef:

DIR
A type representing a directory stream.

It also defines the structure dirent which includes the following members:


ino_t  d_ino       file serial number
char   d_name[]    name of entry

The type ino_t is defined as described in <sys/types.h>.

The character array d_name is of unspecified size, but the number of bytes preceding the terminating null byte will not exceed {NAME_MAX}.

The following are declared as functions and may also be defined as macros. Function prototypes must be provided for use with an ISO C compiler.


int            closedir(DIR *);
DIR           *opendir(const char *);
struct dirent *readdir(DIR *);
int            readdir_r(DIR *, struct dirent *, struct dirent **);
void           rewinddir(DIR *);
void           seekdir(DIR *, long int);
long int       telldir(DIR *);

 APPLICATION USAGE

None.

 FUTURE DIRECTIONS

None.

 SEE ALSO

closedir()opendir()readdir()rewinddir()seekdir()telldir()<sys/types.h>.

UNIX ® is a registered Trademark of The Open Group.
Copyright © 1997 The Open Group 
Main Index | XSH | XCU | XBD | XCURSES | XNS ]

posted @ 2018-02-22 14:46  zhangrxiang  阅读(1504)  评论(0编辑  收藏  举报

页脚