cmake _HAVE_VASPRINTF examples

HDFGroup/hdf5 config/ConfigureChecks.cmake :439 

CHECK_FUNCTION_EXISTS (vasprintf         ${HDF_PREFIX}_HAVE_VASPRINTF)

InsightSoftwareConsortium/ITK Modules/ThirdParty/HDF5/src/itkhdf5/config/cmake/ConfigureChecks.cmake :425 

CHECK_FUNCTION_EXISTS (vasprintf         ${HDF_PREFIX}_HAVE_VASPRINTF)

Tencent/Forward source/third_party/hdf5/config/cmake_ext_mod/ConfigureChecks.cmake :530 

CHECK_FUNCTION_EXISTS (vasprintf         ${HDF_PREFIX}_HAVE_VASPRINTF)

Kitware/VTK ThirdParty/hdf5/vtkhdf5/config/cmake_ext_mod/ConfigureChecks.cmake :462 

CHECK_FUNCTION_EXISTS (vasprintf         ${HDF_PREFIX}_HAVE_VASPRINTF)