+void
+exec_error (char const *name)
+{
+ call_arg_error ("exec", name);
+}
+
+void
+fork_error (char const *name)
+{
+ call_arg_error ("fork", name);
+}
+
+void
+dup2_error (char const *name)
+{
+ call_arg_error ("dup2", name);
+}
+
+void
+pipe_error (char const *name)
+{
+ call_arg_error ("pipe", name);
+}
+