functions in idlsave.i - i

    f = idl_open(filename)  
 or f = idl_open(filename, commons)  


  openb for an IDL save file  
  optional COMMONS is returned as an array of pointers to  
    arrays of strings; the first string in each array is the name  
    of an IDL common block; the others are the names of the  
    variables in that common block  
  all variable names have been converted to lower case  
  loud=1 keyword reports on timestamp and other information  
    about the user, host, etc., stored in the save file  
  
  floating complex data becomes an array of float with leading  
    dimension of 2, use f2z to recover complex  
  64 bit integers become an array of long with leading dimension  
    of 2, use l2ll to recover single long (if sizeof(long)=8)  
  
   Interpreted function, defined at i/idlsave.i   line 64