sed ' s:^.*ALLOCDEF.*"\(.*\)".*$:\ /* allocation definitions of struct \1 */\ extern char *st_alloc();\ extern struct \1 *h_\1;\ #define new_\1() ((struct \1 *) \\\ st_alloc((char **)\&h_\1, sizeof(struct \1)))\ #define free_\1(p) st_free(p, h_\1, sizeof(struct \1))\ :'