Provided by: libdpm-dev_1.13.0-1_amd64
dpns_getgrpmap - get all existing groups from virtual gid table
#include <sys/types.h> #include "dpns_api.h" int dpns_getgrpmap (int *nbentries, struct dpns_groupinfo **grp_entries)
dpns_getgrpmap gets all the existing groups from the virtual gid table. nbentries will be set to the number of entries in the array of group infos. grp_entries will be set to the address of an array of dpns_groupinfo structures allocated by the API. The client application is responsible for freeing the array when not needed anymore. This function requires ADMIN privilege.
This routine returns 0 if the operation was successful or -1 if the operation failed. In the latter case, serrno is set appropriately.
EACCES The caller does not have ADMIN privilege. ENOMEM Memory could not be allocated for unmarshalling the reply. EFAULT nbentries or grp_entries is a NULL pointer. SENOSHOST Host unknown. SENOSSERV Service unknown. SECOMERR Communication error. ENSNACT Name server is not running or is being shutdown.