casts to (void)

[Keith Pilotti @shine]

In article <> mjs at eagle.UUCP (M.J.Shannon) writes:
>>     Why should a cast to (void) be necessary in a statement like
>>  (void) printf("foo\n");
>>...
>The cast is necessary because printf() returns a value.
>...

    The use of (void) also points out the fact that the programmer
    *intentionally* is ignoring the return value of the function.

    At the very least it is useful documentation.

    /+\ Keith
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    KEITH F. PILOTTI -- TeleSoft         (619) 457-2700 x172
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