cmake HAVE_STRLWR examples

SWI-Prolog/swipl-devel cmake/Config.cmake :190 

check_function_exists(strlwr HAVE_STRLWR)

MiKTeX/miktex CMakeLists.txt :1358 

check_function_exists(strlwr HAVE_STRLWR)

TheAssemblyArmada/Thyme deps/baseconfig/cmake/CheckFunctions.cmake :41 

check_symbol_exists(strlwr "string.h" HAVE_STRLWR)