question: retrieves the hdf for the first child of the root of the subtree at hdfpath , or null if no child exists of that path or if the path does n't exist . concode_field_sep JniHdf root concode_elem_sep CSFileLoader fileLoader concode_elem_sep long hdfptr concode_field_sep JniHdf objNext concode_elem_sep long _init concode_elem_sep CSFileLoader getFileLoader concode_elem_sep int getIntValue concode_elem_sep String _writeString concode_elem_sep JniHdf getObj concode_elem_sep JniHdf cast concode_elem_sep JniHdf newHdf concode_elem_sep JniHdf getOrCreateObj concode_elem_sep int _getIntValue concode_elem_sep long _objNext concode_elem_sep void setSymLink concode_elem_sep void _setSymLink concode_elem_sep long _getObj concode_elem_sep void copy concode_elem_sep String dump concode_elem_sep boolean _writeFile concode_elem_sep void close concode_elem_sep boolean writeFile concode_elem_sep JniHdf objChild concode_elem_sep long _getChild concode_elem_sep String fileLoad concode_elem_sep boolean readString concode_elem_sep long _objChild concode_elem_sep String objValue concode_elem_sep String objName concode_elem_sep boolean _readString concode_elem_sep String _objValue concode_elem_sep JniHdf getRootObj concode_elem_sep String getValue concode_elem_sep void exportDate concode_elem_sep void exportDate concode_elem_sep void _setValue concode_elem_sep void _dealloc concode_elem_sep String _getValue concode_elem_sep boolean readFile concode_elem_sep void setValue concode_elem_sep void removeTree concode_elem_sep boolean _readFile concode_elem_sep void _removeTree concode_elem_sep void setFileLoader concode_elem_sep void finalize concode_elem_sep String _dump concode_elem_sep String _objName concode_elem_sep boolean belongsToSameRoot concode_elem_sep String writeString concode_elem_sep void _copy
target: JniHdf function ( String arg0 ) { if ( hdfptr == 0 ) { throw new NullPointerException ( "srini_string" ) ; } long loc0 = _getChild ( hdfptr , arg0 ) ; if ( loc0 == 0 ) { return null ; } return newHdf ( loc0 , this ) ; }