chr
char* chr(char ch, int width = 0);
const char* chr;
ZYAN_CHECK(ZyanVectorGetPointer(&string->string.vector, index, (const void**)&chr));
*value = *chr;
#define Bconout(dev, chr) toscallWW(BIOS_TRAP, 3, (uint16)dev, (uint16)chr)
memset(void* ptr, int chr, size_t length)
auto value = static_cast<unsigned char>(chr);