1 Logical_Names
  The following is a list of the logical names that will be defined for using
  the Software Development Toolkit.

	ST_TOOLS	- Main Software Tools directory.
	C_PRIMS		- Directory of C primitives and utility functions.
	PAS_PRIMS	- same as st_prims, to be similar to c_prims.
	ST_PRIMS	- Directory of PASCAL primitives and utility
			  procedures and functions.
	ST_UTILS	- Directory of utilities to use the Software Tools.
