pollution: gethostbyname
struct hostent *gethostbyname(const char *__name); 

pollution: gethostbyname2
struct hostent *gethostbyname2(const char *__name, int __flags); 

pollution: gethostbyaddr
struct hostent *gethostbyaddr(const void *__addr, socklen_t __len, int __type); 

pollution: gethostbyaddr_r
int gethostbyaddr_r(const void *__restrict __addr, socklen_t __len, int __type, struct hostent *__restrict __ret, char *__restrict __buf, size_t __buflen, struct hostent **__restrict __res, int *__restrict __h_errnump); 

pollution: gethostbyname_r
int gethostbyname_r(const char *__restrict __name, struct hostent *__restrict __ret, char *__restrict __buf, size_t __buflen, struct hostent **__restrict __res, int *__restrict __h_errnump); 

pollution: hstrerror
const char *hstrerror(int __err); 

pollution: NO_ADDRESS
#define NO_ADDRESS NO_DATA

pollution: NI_MAXSERV
#define NI_MAXSERV 32

pollution: NO_RECOVERY
#define NO_RECOVERY 3

pollution: HOST_NOT_FOUND
#define HOST_NOT_FOUND 1

pollution: EAI_NODATA
#define EAI_NODATA 11

pollution: NO_DATA
#define NO_DATA 4

pollution: TRY_AGAIN
#define TRY_AGAIN 2

pollution: EAI_ADDRFAMILY
#define EAI_ADDRFAMILY 12

pollution: NI_MAXHOST
#define NI_MAXHOST 1025

pollution: NI_IDN
#define NI_IDN 32

pollution: NI_IDN_USE_STD3_ASCII_RULES
#define NI_IDN_USE_STD3_ASCII_RULES 128