copy_data_pointer - copy data pointer from one file to another
int sep_copy_data_pointer(tag_in,tag_out)
tag of History File from which to copy data pointer
tag of History File to which to copy data pointer
0= if successful
-1= if either tag_in or tag_out are not a SEP History File
Copy the Data Pointer from tag_in to tag_out. Useful to avoid duplications of Data File when the Header Files are modified, but the Data is not.
sep3d