how to display a bitmap image in c or c++ using Interlacing aka interleaving?

[prasadmv9402]

to display a bitmap image in c or c++ using Interlacing aka interleaving?
hi i need to know how to display bitmap images using Interlacing aka interleaving.. .
i.e, i need an algorithm & program in c or c++ to display images using Interlacing aka interleaving