| clisrv | |
| Read contents of data file. Write each line to socket, then | |
| read line back from socket and write to standard output. | |
| pth_str01 | |
| Creates a tree of threads | |
| pth_str02 | |
| Creates n threads | |
| pth_str03 | |
| Creates a tree of threads does calculations, and | |
| returns result to parent |