Uprocess is located in:
unix/src/aix-ps2-1-2/Uprocess.i3
unix/src/freebsd-1/Uprocess.i3
unix/src/irix-5.2/Uprocess.i3
unix/src/linux/Uprocess.i3
unix/src/osf-1.generic/Uprocess.i3
unix/src/ultrix-3-1.generic/Uprocess.i3
unix/src/hpux-7-0/Uprocess.i3
unix/src/ibm-4-3/Uprocess.i3
unix/src/freebsd-2/Uprocess.i3
unix/src/sunos-4-x/Uprocess.i3
unix/src/aix-3-2/Uprocess.i3
unix/src/solaris-2-x/Uprocess.i3
unix/src/sysv-4.0/Uprocess.i3