Doubt in UART coding

Rabbit
1

#class auto

#define CINBUFSIZE 31 //buffer size of input data
#define COUTBUFSIZE 31 //buffer size of output data

#ifndef _232BAUD
#define _232BAUD 9600 //set the Baudrate
#endif

#define RS232_NOCHARASSYINBRK

void Delay_MS(unsigned int x)
{
int i,j;
for(i=0;i