int32 Vnrefs(int32 vgroup_id, int32 tag_type)
vgroup_id
IN:
Vgroup identifier returned by Vattach
tag_type
Type of the tag
Purpose
Returns the number of tags of a given tag type in a vgroup.
Return value
Returns 0 or the total number of tags if successful and FAIL (or -1) otherwise.
Description
Vnrefs returns 0 or the number of tags having the type specified by the parameter tag_type in the vgroup identified by the parameter vgroup_id.
FORTRAN
integer function vnrefs(vgroup_id, tag_type)
integer vgroup_id, tag_type