__gconv_step_data
__extension__ struct __gconv_step_data __data __flexarr;
struct __gconv_step_data;
typedef int (*__gconv_fct) (struct __gconv_step *, struct __gconv_step_data *,
struct __gconv_step_data *, void *,
struct __gconv_step_data *data, \
extern int Fct (struct __gconv_step *, struct __gconv_step_data *, \
struct __gconv_step_data *step_data,
struct __gconv_step_data *step_data,
struct __gconv_step_data *data,
FUNCTION_NAME (struct __gconv_step *step, struct __gconv_step_data *data,
struct __gconv_step_data *next_data = data + 1;
struct __gconv_step_data __data;