FUNCTION c_sunpos (jdate,year,tsec,sunlat,sunlng)
long *jdate; long *year; double *tsec; double *sunlat; double *sunlng;
The julian date.
The year (ie. 94 for 1994).
The total seconds from midnight GMT.
The computed sun latitude location.
The computed sun longitude location.
Determine the latitude and longitude of the sun given some point in time.
c_sunpos() has no return value.