H5Tenum_insert H5T_ENUM_INSERT inserts a new enumeration datatype member into an enumeration datatype.
dtype_id is the datatype identifier for the enumeration datatype,
name is the name of the new member, and
value points to the value of the new member.
value must both be unique within
value points to data which must be of the integer base datatype used when the enumeration datatype was created. If a particular architecture datatype is required, a little endian or big endian datatype for example, use a native datatype as the base datatype and use H5T_CONVERT
H5Tconvert on values as they are read from or written to a dataset.