Akim Demaille 4619b32dc0 examples: don't promote unchecked function calls ...

* etc/bench.pl.in, examples/c/bistromathic/parse.y,
* examples/c/calc/calc.y, examples/c/pushcalc/calc.y: Check scanf's
return value.
* doc/bison.texi: Likewise, but only for the second example, to avoid
cluttering the very simple case.

2020-05-16 14:39:57 +02:00

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