In all the game programming books I see a type that Im unfamiliar with BYTE what is it and what does it mean when dest = (BYTE*)ddsd.lpSurface; Thank You for your help

BYTE is defined as an unsigned char

i.e. an 8bits which can hold a number from 0-255

BYTE* means a pointer to type BYTE

so,

dest = (BYTE*)ddsd.lpSurface

takes the address ddsd.lpSurface, and converts it to a pointer to type BYTE, and puts this in dest (which should be of type BYTE *)

(this is called casting, by the way)

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Thank you very much for answering that even though its a begginers question