d2rSequenceTst.c : Checks that all stars are in increasing right ascension order.
g2dataStructures.h: Data structure for Gaia DR2 data
gaiaGR2toNa.c: Takes the Gaia DR2 ascii, csv data and formats them into g2data structures.
sortNaGR2dataByRa.c: Sorts g2data structures into a list ordered by increasing right ascension.
tstGaiaDR2data.c: A generic program to test a g2data file.
utilities.tgz: Files called out by the above C programs in their include statements.