cmake LWS_HAVE__SNPRINTF examples

warmcat/libwebsockets CMakeLists.txt :654 

CHECK_FUNCTION_EXISTS(_snprintf LWS_HAVE__SNPRINTF)

c-jimenez/open-ocpp 3rdparty/libwebsockets/CMakeLists.txt :578 

CHECK_FUNCTION_EXISTS(_snprintf LWS_HAVE__SNPRINTF)

fluffos/fluffos src/thirdparty/libwebsockets/CMakeLists.txt :561 

CHECK_FUNCTION_EXISTS(_snprintf LWS_HAVE__SNPRINTF)