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Alex Rivera
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What does ## do in C? Example: typedef struct { unsigned int bit0:1; unsigned int bit1:1; unsigned int bit2:1; unsigned int bit3:1; unsigned int bit4:1; unsigned int bit5:1; unsigned int bit6:1; unsigned int bit7:1; } _io_reg; #define REGISTER_BIT(rg,bt) ((volatile _io_reg*)&rg)->bit##bt (I know what it all does besides the ## part.)
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