Data alignment - example 2


Pack only a section of a structure
    include/linux/usb.h

    struct usb_endpoint_descriptor {
        __u8  bLength           __attribute__ ((packed));
        __u8  bDescriptorType   __attribute__ ((packed));
        __u8  bEndpointAddress  __attribute__ ((packed));
        __u8  bmAttributes      __attribute__ ((packed));
        __u16 wMaxPacketSize    __attribute__ ((packed));
        __u8  bInterval         __attribute__ ((packed));
        __u8  bRefresh          __attribute__ ((packed));
        __u8  bSynchAddress     __attribute__ ((packed));
        unsigned char *extra;   /* Extra descriptors */
        int extralen;
    };