void function1()
{
unsigned char msg[10];
int checksum;
msg[0] = 1;
msg[1] = 23;
.
.
.
msg[9] = 4;
checksum = GetCheckSum(unsigned char &msg);
}
void function2()
{
unsigned char msg[4];
int checksum;
msg[0] = 1;
msg[1] = 23;
.
.
.
msg[3] = 4;
checksum = GetCheckSum(unsigned char &msg);
}
void function3()
{
unsigned char msg[55];
int checksum;
msg[0] = 1;
msg[1] = 23;
.
.
.
msg[54] = 4;
checksum = GetCheckSum(unsigned char &msg);
}