一些关于日期，菜单，字符串的C函数 35K.zip，一些关于日期，菜单，字符串的C函数 35K.zip-on some date, menu, the C string functions 35K.zip, some on the date, menu, C string functions 35K.zip

Shading.pas in a unit in turbo-pascal (borland), for the rendering of a triangle with vertex coordinate GPS. The rendering is calculated with alt-azimut in date and hour in a precise point GPS