Window_key - Window a dataset according to key info
Window_key <in.H >out.H pars
[0] Whether or not to ber berbose
[20] Maximum size of memory to use for headers
[0] Whether (1) or not (0) to synch data
Name of the key the window
Index of key to window
Max float or int size
Max float or int size
Windows SEP3D headers dataset according to key values
Relies on superset Use to be written in ratfor77
util/headers