#define MHSHM_NBMODS_KERN 200
struct mhshm_kern_mod {
        unsigned long again;
        unsigned long nb_users;
        unsigned long nb_mod;
        unsigned long offset[MHSHM_NBMODS_KERN];
};

long mhshm_attach (long id, unsigned char **raddr);
long mhshm_create (long id, unsigned char **raddr);
long mhshm_detach (unsigned char *shmaddr);
long mhshm_getmod (long id, struct mhshm_kern_mod *ptr);