H5Giterate

fnherr_t H5Giterate(hid_t loc_id, const char * name, int * idx, H5G_iterate_t op, void * op_data)

Iterates over objects in a group (deprecated).

This function is deprecated but still useful for simple iteration. For new code, use H5Literate instead.

`loc_id`	Location identifier (file or group)
`name`	Name of the group to iterate over
`idx`	Starting position; updated to position where iteration stopped
`op`	Callback function to invoke for each object
`op_data`	User data to pass to the callback

The return value of the last callback on success, or negative on failure.