Initial revision
Removed declaration of data structure for geographic point.  Added declaration of lonr function.
Initial revision
Added documentation.  Include directives assume geog.h is in a directory in the include search path.
Renamed lonr function to rlon
Added source documentation
Made arguments to rlon const
(bug fix) Made an argument to rlon non-const
Added plat function.
Made documentation at top of file consistent with other files in directory
Changed contact address to dev0@trekix.net
New keyword identifier
Calculation error
geog_app is now a proper command line application
Initial revision
Initial revision
Renamed rlon function to lonr
Added -f option for output format
Added -f option for output format
Format option is taken directly from command line instead of copied, and escape sequences are substituted in place