cmake HAVE_GETSERVBYNAME examples

Ravbug/UnityHubNative wxWidgets/build/cmake/setup.cmake :390

check_symbol_exists(getservbyname netdb.h HAVE_GETSERVBYNAME)

ShadowsocksR-Live/shadowsocksr-native cmake/configure.cmake :139

check_function_exists(getservbyname HAVE_GETSERVBYNAME)

fligger/FateInjector wxWidgets-3.2.0/build/cmake/setup.cmake :432

check_symbol_exists(getservbyname netdb.h HAVE_GETSERVBYNAME)

wxWidgets/wxWidgets build/cmake/setup.cmake :390

check_symbol_exists(getservbyname netdb.h HAVE_GETSERVBYNAME)