remove support for non-ANSI compilation

*** 1,6 ****
--- 1,8 ----
  /*
+  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
+  *
   * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  /*      Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T     */
*** 227,237 ****
          char    **s_aliases;    /* alias list */
          int     s_port;         /* port # */
          char    *s_proto;       /* protocol to use */
  };
  
- #ifdef  __STDC__
  #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
  struct hostent  *gethostbyname_r
          (const char *, struct hostent *, char *, int, int *h_errnop);
  struct hostent  *gethostbyaddr_r
          (const char *, int, int, struct hostent *, char *, int, int *h_errnop);
--- 229,238 ----
*** 351,449 ****
  char *getipsecprotobynum(int doi_domain);
  void freeipsecalgent(struct ipsecalgent *ptr);
  /* END IPsec algorithm prototype definitions */
  
  #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */
- #else   /* __STDC__ */
- struct hostent  *gethostbyname_r();
- struct hostent  *gethostbyaddr_r();
- struct hostent  *getipnodebyname();
- struct hostent  *getipnodebyaddr();
- void             freehostent();
- struct hostent  *gethostent_r();
- struct servent  *getservbyname_r();
- struct servent  *getservbyport_r();
- struct servent  *getservent_r();
- struct netent   *getnetbyname_r();
- struct netent   *getnetbyaddr_r();
- struct netent   *getnetent_r();
- struct protoent *getprotobyname_r();
- struct protoent *getprotobynumber_r();
- struct protoent *getprotoent_r();
- int              getnetgrent_r();
- int              innetgr();
  
- /* Old interfaces that return a pointer to a static area;  MT-unsafe */
- struct hostent  *gethostbyname();
- struct hostent  *gethostbyaddr();
- struct hostent  *gethostent();
- struct netent   *getnetbyname();
- struct netent   *getnetbyaddr();
- struct netent   *getnetent();
- struct servent  *getservbyname();
- struct servent  *getservbyport();
- struct servent  *getservent();
- struct protoent *getprotobyname();
- struct protoent *getprotobynumber();
- struct protoent *getprotoent();
- int              getnetgrent();
- 
- int sethostent();
- int endhostent();
- int setnetent();
- int endnetent();
- int setservent();
- int endservent();
- int setprotoent();
- int endprotoent();
- int setnetgrent();
- int endnetgrent();
- int rcmd();
- int rcmd_af();
- int rexec();
- int rexec_af();
- int rresvport();
- int rresvport_af();
- int rresvport_addr();
- int ruserok();
- /* BIND */
- struct hostent  *gethostbyname2();
- void            herror();
- char            *hstrerror();
- /* IPv6 prototype definitons */
- int             getaddrinfo();
- void            freeaddrinfo();
- const char      *gai_strerror();
- int             getnameinfo();
- /* END IPv6 prototype definitions */
- /* End BIND */
- 
- #if !defined(_XPG4_2) || defined(__EXTENSIONS__)
- /* IPsec algorithm prototype definitions */
- struct ipsecalgent *getalgbyname();
- struct ipsecalgent *getalgbydoi();
- int getdoidomainbyname();
- const char *getdoidomainbynum();
- void freealgent();
- /* END IPsec algorithm prototype definitions */
- #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */
- 
- #endif  /* __STDC__ */
- 
  /*
   * Error return codes from gethostbyname() and gethostbyaddr()
   * (when using the resolver)
   */
  
  extern  int h_errno;
  
  #ifdef  _REENTRANT
- #ifdef  __STDC__
  extern int      *__h_errno(void);
- #else
- extern int      *__h_errno();
- #endif  /* __STDC__ */
  
  /* Only #define h_errno if there is no conflict with other use */
  #ifdef  H_ERRNO_IS_FUNCTION
  #define h_errno (*__h_errno())
  #endif  /* NO_H_ERRNO_DEFINE */
--- 352,371 ----