gnulib/import/unistd.h

117 /* AIX and OSF/1 5.1 declare getdomainname in <netdb.h>, not in <unistd.h>.
1206 #   undef getdomainname
1207 #   define getdomainname rpl_getdomainname
1209 _GL_FUNCDECL_RPL (getdomainname, int, (char *name, size_t len)
1211 _GL_CXXALIAS_RPL (getdomainname, int, (char *name, size_t len));
1214 _GL_FUNCDECL_SYS (getdomainname, int, (char *name, size_t len)
1217 _GL_CXXALIAS_SYS (getdomainname, int, (char *name, size_t len));
1219 _GL_CXXALIASWARN (getdomainname);
1221 # undef getdomainname
1223 _GL_WARN_ON_USE (getdomainname, "getdomainname is unportable - "
1224                  "use gnulib module getdomainname for portability");