typedef void (*void_f_pvoid_t) (void *);
typedef void *(*pvoid_f_void_t) (void);
typedef void *(*pvoid_f_pvoid_t) (void *);
typedef void (*void_f_void_t) (void);
typedef void (*void_f_pvoid_t) (void *);
typedef void *(*pvoid_f_void_t) (void);
typedef void *(*pvoid_f_pvoid_t) (void *);
typedef void (*void_f_void_t) (void);