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waiting for your reply

Thank u all,please explain me the above code , and also explain me how to avoid overlapping of data and garbage values.

int main(void)
{

/*******program to register a device using serial port RS-232 in a local system******************/

////////////////////declaring variables///////////////////
unsigned char...

I am writing my code in visual studio 2010 in C language ,

my data is appending and i am getting garbage values,may be i think its due to buffer. Please explain me about buffer, garbage and memory...