ocr: TOOL2 TOOL2.C These. files. are, platform. independent source liles. RCS TOOL2.C These RCS files store revisions of the plattorm independent source files in the directory. above, IBC.PLI - This is a compilation directory. MAKFILE These files are. plattorm dependent makeliles, IMPORTS.IMP object files, and executable files. Some. temporany TOOL2.0BJ imported files may. be platform independent. These files are plattorm dependent source files. RCS These RCS files store revisions of the platform dependent source. files. SUN4GCU.PLI RCS OTHER LAIFORM DIRECIURIES Figure 1-6. Structure ofa: source tr ...