netdb.h

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#ifndef __NETDB_H__
#define __NETDB_H__
 
#include <stdint.h>
#include <_xeneva.h>
#include <sys/socket.h>
 
#ifdef __cplusplus
XE_EXTERN {
#endif
 
#pragma pack(push, 1)
#if defined(_MSC_VER)
    __declspec(align(2))
#else
__attribute__((aligned(2)))
#endif
    typedef struct _dns_ {
        uint16_t qid;
        uint16_t flags;
        uint16_t questions;
        uint16_t answers;
        uint16_t authorities;
        uint16_t additional;
        uint8_t data[];
    } DNSPacket;
#pragma pack(pop)
 
    struct hostent {
        char* h_name;
        char** h_aliases;
        int h_addrtype;
        int h_length;
        char** h_addr_list;
    };
 
#ifndef AI_PASSIVE
#define AI_PASSIVE     0x01
#define AI_CANONNAME   0x02
#define AI_NUMERICHOST 0x04
#define AI_NUMERICSERV 0x08
#endif
 
#ifndef EAI_NONAME
#define EAI_BADFLAGS -1
#define EAI_NONAME   -2
#define EAI_AGAIN    -3
#define EAI_FAIL     -4
#define EAI_FAMILY   -5
#define EAI_MEMORY   -6
#define EAI_SERVICE  -7
#define EAI_OVERFLOW -8
#endif
 
    XE_LIB hostent* gethostbyname(const char* name);
    XE_LIB int getaddrinfo(const char* node,
                           const char* service,
                           const addrinfo* hints,
                           addrinfo** res);
    XE_LIB void freeaddrinfo(addrinfo* res);
    XE_LIB const char* gai_strerror(int errcode);
 
    /* Last upstream DNS server used by the stub resolver (0 if local/none). */
    XE_LIB uint32_t xe_dns_last_server(void);
 
#ifdef __cplusplus
}
#endif
 
#endif