#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>

#if !defined EAI_NONAME
#define EAI_NONAME              -2
#endif
#if !defined EAI_AGAIN
#define EAI_AGAIN               -3
#endif
#if !defined EAI_FAIL
#define EAI_FAIL                -4
#endif