cmake HAVE_VSSCANF examples

Bill-Gray/PDCursesMod cmake/gen_config_header.cmake :10 

ADD_DEFINITIONS(-DHAVE_VSSCANF)

wxWidgets/wxWidgets build/cmake/setup.cmake :532 

check_symbol_exists(vsscanf stdio.h HAVE_VSSCANF)

Ravbug/UnityHubNative wxWidgets/build/cmake/setup.cmake :532 

check_symbol_exists(vsscanf stdio.h HAVE_VSSCANF)