Index: flang/include/flang/Runtime/command.h
===================================================================
--- flang/include/flang/Runtime/command.h
+++ flang/include/flang/Runtime/command.h
@@ -23,6 +23,19 @@
 // integer kind.
 std::int32_t RTNAME(ArgumentCount)();
 
+// 16.9.82 GET_COMMAND
+// We're breaking up the interface into several different functions, since most
+// of the parameters are optional.
+
+// Try to get the value of the whole command.
+// Return a STATUS as described in the standard.
+std::int32_t RTNAME(CommandValue)(
+    const Descriptor *value = nullptr, const Descriptor *errmsg = nullptr);
+
+// Try to get the significant length of the whole command.
+// Returns 0 if it doesn't manage.
+std::int64_t RTNAME(CommandLength)();
+
 // 16.9.83 GET_COMMAND_ARGUMENT
 // We're breaking up the interface into several different functions, since most
 // of the parameters are optional.