i thought short is 1? why did it increase by 8, from 16 to 24?
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This is a question of data type alignment.
The first item is always going to be at the beginning of the structure (offset 0).
The
chartakes up one byte, so the next offset would be 1. However, thedouble*is 4-byte aligned (for performance), so it goes to the next 4-byte offset, 4. On x86 (32-bit) a pointer is 4 bytes, so the next offset is 8, whereigoes.