get name of a member of a structure id - structure type ID member_offset - member offset. The offset can be any offset in the member. For example, is a member is 4 bytes long and starts at offset 2, then 2, 3, 4, 5 denote the same structure member. returns: 0 if bad structure type ID is passed or no such member in the structure otherwise returns name of the specified member.
string get_member_name(long id, long member_offset);