ABI: Define exact-bit-width integers through stdint #8740
      
        
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This is a possible implementation for issue #8546.
Modern programming languages and their desktop OS target have standardized data models. For example: Java, C #, Rust, Zig, Go, and others have standardized (in language specification) 8/16/32/64 bit width integers/unsigned integers.
The main application scenarios for dear imgui are desktop GUI and possibly embedded system GUI. In either scenario, it is unlikely to involve integer data models other than 8/16/32/64.