> The code that passes NULL is non-portable.  According to the TOG:

>     The tgetstr() function gets the string entry for id.  If area is
>     not a null pointer and does not point to a null pointer,
>     tgetstr() copies the string entry into the buffer pointed to by
>     *area and advances the variable pointed to by area to the first
>     byte after the copy of the string entry.

This quote is irrelevant to the issue at hand; it has no bearing on
what happens if area is a null pointer or points to a null pointer.

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