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#ifndef TEACH_OS_KERNEL_FILESYSTEM_FILE_HPP
#define TEACH_OS_KERNEL_FILESYSTEM_FILE_HPP
#include <cstddef>
namespace filesystem
{
struct file
{
virtual ~file() = default;
virtual auto open() -> void = 0;
virtual auto read(void * buffer, size_t offset, size_t size) const -> size_t = 0;
virtual auto write(void const * buffer, size_t offset, size_t size) -> size_t = 0;
};
} // namespace filesystem
#endif
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