question mark
<character> "?", ASCII character 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 Unix shell file name patterns, question mark matches any single character.
(2003-06-17)
Nearby terms:
query expansion « ques « Quest « question mark
» queue » Queued Sequential Access Method » QUICK
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