UDF PROGRAMMERS MANUAL





 get_data_key (1) 
     UDF PROGRAMMERS MANUAL
     get_data_key (1)
 


 
  NAME   get_data_key




 SYNOPSIS 




 #include "libbase_udf.h"


 ByTe_2
     get_data_key
     ( ByTe_2 (ByTe_1 *P, ByTe_1 *M, 
                        ByTe_1 *E, ByTe_1 *I, 
                        ByTe_1 *SI, u_ByTe_4 *key);







 INPUT DEFINITIONS  








 P
     -
     UDF Project Acronym


 M
     -
     UDF Mission Acronym


 E
     -
     UDF Experiment Acronym


 I
     -
     UDF Instrument Acronym


 SI
     -
     UDF Sub-Instrument Acronym


 key
     -
     data key representing the above UDF nodes 







  DESCRIPTION  
  get_data_key() takes the UDF Project, Mission, 
Experiment, Iinstrument, and Sub-Instrument 
acronyms and converts them into a single data key.  This data
key is used by almost all UDF routines to identify the UDF file being
accessed.




  RETURN VALUE  
  On success, ALL_OKAY is returned, otherwise an error code is
returned.




  ERRORS  

 DKEY_PROJECT  No defined UDF Project Name
 DKEY_MISSION  No such Mission under PROJECT 
 DKEY_EXPERIMENT  No such Experiment under MISSION 
 DKEY_INSTRUMENT  No such Instrument under EXPERIMENT 
 DKEY_VINST  No such Sub-Instrument under INSTRUMENT 
  




  APPLICABLE FORMATS  
  UDF V2.2, IDFS V2.1




  RESTRICTIONS  
None.




  SEE ALSO  
ret_codes (1H)










 UDF V2.2 
     July 31, 1999
     UDF V2.2
 










  

    
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