typedef struct _env {
struct obstack *obst; /**< the obstack where allocations took place */
ir_extblk *head; /**< head of the list of all extended blocks */
ir_node *start_block; /**< the start block of the current graph */
} env_t;
typedef struct _env {
struct obstack *obst; /**< the obstack where allocations took place */
ir_extblk *head; /**< head of the list of all extended blocks */
ir_node *start_block; /**< the start block of the current graph */
} env_t;