Var_Expand
Var_Expand(&lib, scope, VARE_EVAL_DEFINED);
Var_Expand(&mem, scope, VARE_EVAL_DEFINED);
Var_Expand(&path, SCOPE_GLOBAL, VARE_EVAL);
void Var_Expand(FStr *, GNode *, VarEvalMode);
Var_Expand(&xcmd, gn, VARE_EVAL);
Var_Expand(&cmd, SCOPE_CMDLINE, VARE_EVAL);
Var_Expand(&file, SCOPE_CMDLINE, VARE_EVAL);
Var_Expand(&varname, scope, VARE_EVAL);
Var_Expand(&xname, scope, VARE_EVAL);
Var_Expand(&varname, scope, VARE_EVAL);
Var_Expand(&rhs, args->scope, VARE_EVAL);