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I ran into a little problem today using sizeof() and was hoping someone could clear it up for me. Im writing a basic 3ds loader and have a struct declared like so: struct _3DSCHUNKHEADER { WORD ChunkID; DWORD ChunkLength; }; When I use sizeof() to read a chunk header ... _3DSCHUNKHEADER ChunkHeader; fread(&ChunkHeader, sizeof(_3DSCHUNKHEADER), 1, file); its reading 8 bytes instead of 6, anyone know why? When i break it up into 2 freads ... fread(&ChunkHeader.ChunkID, sizeof(WORD), 1, file); fread(&ChunkHeader.ChunkLength, sizeof(DWROD), 1, file); it works fine. sizeof(WORD) = 2; sizeof(DWORD) = 4; sizeof(_3DSCHUNKHEADER) = 8; Im Confused. Edited by - SoGreen on August 9, 2001 4:58:17 PM

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