need code in C , using pthreads

A parallel program using pThreads . write the thread function void * SumUpto(void *arg). Note this is same as above. You can pass in the "number" as the thread argument (arg) * Create threads in main using the SumUpto function .Use command line argument to determine how many threads (p) to create. If no argument is specified, use 2 . The value for "number" should also be passed in as a command line parameter . Measure the execution time and compare to corresponding serial implementation using the table below