Thread: Custom printf/scanf suggestions desired

So far this is how I'm declaring my custom versions:

Code:

typedef struct _PAWBUF PAWSTR;
typedef struct _PAW_PUTF PAW_PUTF;
typedef struct _PAW_GETF PAW_GETF;

struct _PAW_PUTF
{
	pawzu	sizeof_ud;
	pawd	(*test)( void *ud, va_list va );
	pawd	(*take)( void *ud, PAWSTR *str );
	pawzu	(*size)( void *ud );
};

struct _PAW_GETF
{
	pawzu	sizeof_ud;
	pawd	(*test)( void *ud, va_list va );
	pawd	(*take)( void *ud, PAWSTR const *str );
};

/* Defaults used if NULL is given */
extern PAW_PUTF const *pawStdPutf;
extern PAW_GETF const *pawStdGetf;

PAW_API pawd	pawPutf( PAW_PUTF const *use, PAWSTR *str, paws format, ... );
PAW_API pawd	pawPutv
	( PAW_PUTF const *use, PAWSTR *str, paws format, va_list va );

PAW_API pawd	pawGetf
	( PAW_GETF const *use, PAWSTR const *str, paws format, ... );
PAW_API pawd	pawGetv
	( PAW_GETF const *use, PAWSTR const *str, paws format, va_list va );

Besides declaring externs for %s etc what suggestions does anyone have for more flexibility?