WCSLIB 4.4 Data Structures

Here are the data structures with brief descriptions:

celprm	Celestial transformation parameters
fitskey	Keyword/value information
fitskeyid	Keyword indexing
linprm	Linear transformation parameters
prjprm	Projection parameters
pscard	Store for PSi_ma keyrecords
pvcard	Store for PVi_ma keyrecords
spcprm	Spectral transformation parameters
spxprm	Spectral variables and their derivatives
tabprm	Tabular transformation parameters
wcsprm	Coordinate transformation parameters
wtbarr	Extraction of coordinate lookup tables from BINTABLE

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