ng_old_struct
struct ng_old_struct *gp, *ogp;
struct ng_old_struct *grp;
if (!(grp = malloc(sizeof (struct ng_old_struct)))) {
memset(grp, 0, sizeof (struct ng_old_struct));
struct ng_old_struct *ng_next; /*%< Chain ptr */
struct ng_old_struct *nextgrp;
struct ng_old_struct *gr;