-#define libpath(file) "/usr/lib/file"
-#define loclibpath(file) "/usr/local/lib/file"
-#define binpath(file) "/usr/ucb/file"
-#define usrpath(file) "/usr/file"
-#define E_TERMCAP "/etc/termcap"
-#define B_CSH "/bin/csh"
-#define EXRECOVER libpath(ex3.7recover)
-#define EXPRESERVE libpath(ex3.7preserve)
-#ifndef VMUNIX
-#define EXSTRINGS libpath(ex3.7strings)
-#endif