DOKK / manpages / debian 10 / libdpm-dev / dpns_opendir.3.en
DPNS_OPENDIR(3) DPNS Library Functions DPNS_OPENDIR(3)

dpns_opendir - open a DPNS directory in the name server

#include <sys/types.h>
#include "dpns_api.h"

dpns_DIR *dpns_opendir (const char *path)

dpns_opendir opens a DPNS directory in the name server to be used in subsequent dpns_readdir operations. A dpns_DIR structure and a buffer to cache the directory entries are allocated in the client API.

specifies the logical pathname relative to the current DPNS directory or the full DPNS pathname.

This routine returns a pointer to be used in the subsequent directory function calls if the operation was successful or NULL if the operation failed. In the latter case, serrno is set appropriately.

A component of path prefix does not exist or path is a null pathname.
Search permission is denied on a component of the path prefix or read permission is denied on path.
path is a NULL pointer.
A component of path prefix is not a directory.
The length of path exceeds CA_MAXPATHLEN or the length of a path component exceeds CA_MAXNAMELEN.
Host unknown.
Service unknown.
Communication error.
Name server is not running or is being shutdown.

Castor_limits(4), dpns_chdir(3), dpns_closedir(3), dpns_readdir(3), dpns_readdirx(3), dpns_rewinddir(3)

LCG Grid Deployment Team

$Date: 2001/10/04 12:12:46 $ DPNS