Function io_length

server/src/system.c:338–345

}

long int io_length(IOHANDLE io)
{
	long int length;
	io_seek(io, 0, IOSEEK_END);
	length = io_tell(io);
	io_seek(io, 0, IOSEEK_START);
	return length;
}

unsigned io_write(IOHANDLE io, const void *buffer, unsigned size)
{