$\cal OYST\!ER\,$

• chameleon.c.
• amoeba.c.
• cobra.c. Raw packet data access.
• hds.c. HDS wrappers.
• writefits.c. The FITS writer.
• posprop.c. The Hipparcos epoch transformation.
• sidfuncs.c. NPOI siderostat model functions.
• nrutil.c. Numerical Recipes subroutines.