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MPM OPERATING SYSTEMS/MPM-86/MISC DRI DISKS/05/LOGOPT.H

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+#define CARDEF		/* Use inline macro version of elt *car(p) */
+#define CDRDEF		/* Use inline macro version of elt *cdr(p) */
+
+        /*STACK_CHK*/	/* No checks for null ptr in stack routines*/
+
+#define STCOPYDEF	/* macro version of elt *stcopy()	   */
+#define STREPDEF	/* macro version of elt *strep(p)	   */
+#define STEMPTYDEF	/* macro version of elt *stempty	   */
+
+#define NULLPDEF
+#define SET_NOVALUEDEF
+
+#ifdef CARDEF
+#define car(p) ((p)->cell1.carf)
+#else
+elt *carf();
+#endif
+
+#ifdef CDRDEF
+#define cdr(p) ((p)->cell1.cdrf)
+#else
+elt *cdrf();
+#endif
+
+#ifdef STCOPYDEF
+#define stcopy() (elist->cell1.cdrf)
+#else
+elt *stcopy();
+#endif
+
+#ifdef STREPDEF
+#define strep(p) replacd(elist,(p))
+#else
+elt *strep();
+#endif
+
+#ifdef STEMPTYDEF
+#define stempty() (elist == NULL)
+#else
+int stempty();
+#endif
+
+#ifdef NULLPDEF
+#define nullp(p) ((p) == NULL)
+#else
+int nullp();
+#endif
+
+#ifdef SET_NOVALUEDEF
+#define set_novalue() retval = NOVALUE
+#endif
+