cmake HAVE_ISASCII examples

TA-Lib/ta-lib CMakeLists.txt :162 

check_function_exists(isascii HAVE_ISASCII)

joedrago/colorist ext/openjpeg/thirdparty/libtiff/CMakeLists.txt :132 

CHECK_FUNCTION_EXISTS(isascii HAVE_ISASCII)

SsageParuders/Android_Native_Surface my_android_opencv/3rdparty/libtiff/CMakeLists.txt :185 

check_function_exists(isascii    HAVE_ISASCII)

joachimBurket/esp32-opencv 3rdparty/libtiff/CMakeLists.txt :185 

check_function_exists(isascii    HAVE_ISASCII)

wolfSSL/wolfssl CMakeLists.txt :130 

check_symbol_exists(isascii "ctype.h" HAVE_ISASCII)