How to change tha size of keyboard buffer?

How to change tha size of keyboard buffer?
One of tha guy asked me this question here's your solution Prashant......

Question: How to change the size of keyboard buffer from 32 bytes to 16 bytes in C language........plzzzz help me .....

Solution: Try this....

void main(void){

void far * ptrHead = (void far *)0x00400080;
void far * ptrTail = (void far *)0x00400082;

printf("Head = %.4x, Tail = %.4x\n", *((unsigned int far *)ptrHead), *((unsigned int far *)ptrTail));

*((unsigned int far *)ptrTail) = *((unsigned int far *)ptrTail) - 0x10;

printf("Head = %.4x, Tail = %.4x", *((unsigned int far *)ptrHead), *((unsigned int far *)ptrTail));

}

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