<CharaCter> "?", ASCIICharaCter 63. Common names: query ITU-T: question mark ques. Rare: whatmark INTERCAL: what wildChar huh hook buttonhook hunChbaCk. Question mark is used, along with Colon for C' s lazy triadiC "if" operator (similar to the IIF funCtion in Visual BasiC). The expression x?y:z evaluates x, then if x is true it returns y else it returns z. In Unixshell file name patterns, question mark matChes any single CharaCter. (2003-06-17)