| alarm | flock | getpgrp | kill | ndbm | shmget | symlink |
| chown | fork | getppid | link | pipe | shmread | syscall |
| chroot | getgrent | getpriority | msgctl | rewinddir | setpgrp | umask |
| crypt | getgrgid | getpwent | msgget | semctl | setpriority | wait |
| dbmclose | getgrname | getpwnam | msgrcv | semget | shmwrite | waitpid |
| dbmopen | getlogin | getpwuid | msgsend | semop | socketpair |