FRESULT DFILE::fsforward (uint32_t(*func)(const uint8_t *,uint32_t), uint32_t btf, uint32_t* bf) { return(f_forward (&_file, func, btf, bf)); }
FRESULT FatFs::File::forward(uint32_t (*handler)(const uint8_t* buf, uint32_t len), uint32_t len, uint32_t* forwarded) { return f_forward(&file, handler, len, forwarded); }