Creates a thread my_thread. The job of the thread my_thread is to count how many lines exist in the file data.txt and return the number of lines to the calling process. The process then prints this number to the screen.

 

int { main() Open the file data txt and obtain the file handler fh; Create a thread my_thread using pthread_create; pass fh to my_thread, Wait until my_thread terminates, using pthread_join; Print out how many lines exist in data txt. } Basic structure of thread_function.c: void *count_lines(void *arg) { Obtain fh from arg, Count how many lines num_lines exist in fh; Close fh; Return num_lines For information about pthread_create and pthread_join: