I will be very glad if you can help with total decote all inDtata to two variables var1 and var2
Have you even looked at strtok()?
char *token = strtok(inData, ",");
if(token)
{
var1 = atol(token);
token = strtok(NULL, ",");
if(token)
{
val2 = atol(token);
}
}