Two functions in the HDF5 C interface,
and a struct associated with one of those functions,
have been versioned in this release.
At the same time, interface compatibility macros were created
for programmatic management of these functions. See
Macros in HDF5
for a detailed discussion of versioned functions and structs
and the related macros.
These functions, struct, and macros are documented in the
HDF5 Reference Manual: