WCSLIB 7.7

Data Structures
Here are the data structures with brief descriptions:

C auxprm | Additional auxiliary parameters
C celprm | Celestial transformation parameters
C disprm | Distortion parameters
C dpkey | Store for `DPja` and `DQia` keyvalues
C fitskey | Keyword/value information
C fitskeyid | Keyword indexing
C linprm | Linear transformation parameters
C prjprm | Projection parameters
C pscard | Store for `PSi_ma` keyrecords
C pvcard | Store for `PVi_ma` keyrecords
C spcprm | Spectral transformation parameters
C spxprm | Spectral variables and their derivatives
C tabprm | Tabular transformation parameters
C wcserr | Error message handling
C wcsprm | Coordinate transformation parameters
C wtbarr | Extraction of coordinate lookup tables from BINTABLE