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Annotation of researchv9/sys/h/inet/udp_user.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * things users need to know to talk to /dev/udp*
        !             3:  * open a free udp device, write a udpuser struct on it,
        !             4:  * then wait for a udpreply.
        !             5:  */
        !             6: 
        !             7: /* the following is defined in kernel .h's */
        !             8: #ifndef KERNEL
        !             9: #include <sys/inet/in.h>
        !            10: #include <sys/inet/udp.h>
        !            11: #endif
        !            12: 
        !            13: struct udpuser{
        !            14:        int cmd;
        !            15:        int sport, dport;
        !            16:        in_addr dst;
        !            17: };
        !            18: #define UDPC_LISTEN    1
        !            19: #define UDPC_CONNECT   2
        !            20: #define UDPC_DATAGRAM  3
        !            21: 
        !            22: struct udpreply{
        !            23:        int reply;
        !            24:        /* for listen: */
        !            25:        int dport;
        !            26:        in_addr dst;
        !            27:        int udpdev;     /* minor device # */
        !            28: };
        !            29: #define UDPR_OK                1
        !            30: #define UDPR_SORRY     2
        !            31: 
        !            32: struct udpaddr{
        !            33:        in_addr host;
        !            34:        int port;
        !            35: };

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