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Man page of LFC_READDIRXC
LFC_READDIRXC
Section: LFC Library Functions (3)
Updated: $Date: 2006/03/16 13:02:57 $
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NAME
lfc_readdirxc - read LFC directory opened by
lfc_opendir
in the name server
SYNOPSIS
#include <sys/types.h>
#include "lfc_api.h"
struct lfc_direnstatc *lfc_readdirxc (lfc_DIR *dirp)
DESCRIPTION
lfc_readdirxc
reads the LFC directory opened by
lfc_opendir
in the name server.
This routine returns a pointer to a structure containing the current directory
entry including the
stat
information and the comment associated.
lfc_readdirxc
caches a variable number of such entries, depending on the filename size, to
minimize the number of requests to the name server.
- dirp
-
specifies the pointer value returned by
lfc_opendir.
RETURN VALUE
This routine returns a pointer to a structure containing the current directory
entry if the operation was successful or NULL if the end of the directory was
reached or if the operation failed. When the end of the directory is encountered,
serrno is not changed. If the operation failed,
serrno
is set appropriately.
As lfc_readdirxc returns a null pointer
both at the end of the directory and on error, an application wishing to check
for error situations should set
serrno
to 0, then call lfc_readdirxc, then check
serrno
and if it is non-zero, assume an error has occurred.
ERRORS
- EBADF
-
File descriptor in DIR structure is invalid.
- EFAULT
-
dirp
is a NULL pointer.
- SENOSHOST
-
Host unknown.
- SENOSSERV
-
Service unknown.
- SECOMERR
-
Communication error.
- ENSNACT
-
Name server is not running or is being shutdown.
SEE ALSO
lfc_closedir(3),
lfc_opendirg(3),
lfc_rewinddir(3),
lfc_setcomment(3),
stat(2)
AUTHOR
LCG Grid Deployment Team
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- ERRORS
-
- SEE ALSO
-
- AUTHOR
-
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Time: 11:46:11 GMT, June 26, 2009