Is "if (!pointer)" as portable as "if (pointer == NULL)" ???

[Henry Spencer]

In article <717 at ssp11.idca.tds.philips.nl> dolf at idca.tds.PHILIPS.nl (Dolf Grunbauer) writes:
>How about just a:
>	free(buffer)
>
>The manual pages I know allow a NULL pointer and doing nothing in this case.
>Is this generally true ?

Unfortunately, no.  Old implementations of free() explode when given NULL.
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