/* 

    AddressXlation.h        

    MacTCP name to address translation routines.

    Copyright Apple Computer, Inc. 1988 

    All rights reserved

*/  

#define NUM_ALT_ADDRS   4

typedef struct hostInfo {

    int rtnCode;

    char cname[255];

    unsigned long addr[NUM_ALT_ADDRS];

};

typedef enum AddrClasses {

    A = 1,

    NS,

    CNAME = 5,

    lastClass = 65535

}; 

typedef struct cacheEntryRecord {

    char *cname;

    unsigned short type;

    enum AddrClasses class;

    unsigned long ttl;

    union {

        char *name;

        ip_addr addr;

    } rdata;

};

typedef pascal void (*EnumResultProcPtr)(struct cacheEntryRecord *cacheEntryRecordPtr, char *userDataPtr);

typedef pascal void (*ResultProcPtr)(struct hostInfo *hostInfoPtr, char *userDataPtr);

extern OSErr OpenResolver(char *fileName);

extern OSErr StrToAddr(char *hostName, struct hostInfo *hostInfoPtr, ResultProcPtr ResultProc, char *userDataPtr);

extern OSErr AddrToStr(unsigned long addr, char *addrStr);

extern OSErr EnumCache(EnumResultProcPtr enumResultProc, char *userDataPtr);

extern OSErr AddrToName(ip_addr addr, struct hostInfo *hostInfoPtr, ResultProcPtr ResultProc, char *userDataPtr);

extern OSErr CloseResolver();