www.pudn.com > network-java.rar > icmpdefs.h

//ICMP.DLL 函数中需要的结构  
 
 
typedef struct { 
    unsigned char Ttl;                         // Time To Live 
    unsigned char Tos;                         // Type Of Service 
    unsigned char Flags;                       // IP header flags 
    unsigned char OptionsSize;                 // Size in bytes of options data 
    unsigned char *OptionsData;                // Pointer to options data 
} IP_OPTION_INFORMATION, * PIP_OPTION_INFORMATION; 
 
typedef struct { 
    DWORD Address;                             // Replying address 
    unsigned long  Status;                     // Reply status 
    unsigned long  RoundTripTime;              // RTT in milliseconds 
    unsigned short DataSize;                   // Echo data size 
    unsigned short Reserved;                   // Reserved for system use 
    void *Data;                                // Pointer to the echo data 
    IP_OPTION_INFORMATION Options;             // Reply options 
} IP_ECHO_REPLY, * PIP_ECHO_REPLY;