If I'm not using the value of the expression, should I use i++ or ++i to increment a variable?
Since the two forms differ only in the value yielded, they are entirely equivalent when only their side effect is needed.
See also question 3.3.
References:
K&R1 Sec. 2.8 p. 43
K&R2 Sec. 2.8 p. 47
ANSI Sec. 3.3.2.4, Sec. 3.3.3.1
ISO Sec. 6.3.2.4, Sec. 6.3.3.1
H&S Sec. 7.4.4 pp. 192-3, Sec. 7.5.8 pp. 199-200
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