1 files changed, 15 insertions, 13 deletions
diff --git a/sys/cmd/rc/exec.h b/sys/cmd/rc/exec.h
index 9edd9ed..635eb1d 100644
--- a/sys/cmd/rc/exec.h
+++ b/sys/cmd/rc/exec.h
@@ -2,24 +2,23 @@
 
 /*
  * opcode routines
- * Arguments on stack (...)
- * Arguments in line [...]
- * Code in line with jump around {...}
+ * arguments on stack (...)
+ * arguments in line [...]
+ * code in line with jump around {...}
  */
 
-void Xtrue(void);
-void Xfalse(void);
-void Xdollar(void);
-void Xexit(void);
-void Xmark(void);
-void Xreturn(void);
-void Xlocal(void);
-void Xreadcmd(void);
-void Xunlocal(void);
+void Xmark(void);           // Xmark            marks stack location for word
+void Xtrue(void);           // Xtrue{...}       execute {} if true
+void Xfalse(void);          // Xfalse{...}      execute {} if false
+void Xdollar(void);         // Xdollar(name)    get value of name
+void Xindex(void);          // Xindex
+void Xlocal(void);          // Xlocal(name,val) create local variable, assign value
+void Xunlocal(void);        // Xunlocal         delete local variable
+void Xreadcmd(void);        //
 void Xassign(void);
 void Xbang(void);
 void Xasync(void);
-void Xbasic(void);     // Xbasic(args) run command and wait for result
+void Xbasic(void);          // Xbasic(args) run command and wait for result
 void Xsubshell(void);
 void Xword(void);
 void Xjoin(void);
@@ -30,6 +29,9 @@ void Xpipe(void);
 void Xpipewait(void);
 void Xpopredir(void);
 
+void Xreturn(void);
+void Xexit(void);
+
 void Xerror(char*);
 
 /* builtin commands */