Work on file usr/src/cmd/pi/whoami
Co-Authored-By: Bill Joy <wnj@ucbvax.Berkeley.EDU>
Co-Authored-By: Ken Thompson <ken@research.uucp>
Synthesized-from: 3bsd
--- /dev/null
+/*
+ * am i generating an obj file (OBJ),
+ * postfix binary input to the 2nd pass of the portable c compiler (PPC),
+ * or pTrees (PTREE)?
+ */
+#define OBJ 1
+#undef PPC
+#undef PTREE
+
+/*
+ * am i the vax or the pdp11 version
+ */
+#define VAX
+#undef PDP11
+
+/*
+ * am i pi or pxp?
+ */
+#define PI
+#undef PXP
+
+/*
+ * am i both passes, or am i only one of the two passes pi0 or pi1?
+ */
+#define PI01
+#undef PI0
+#undef PI1
+