Return all CNTRL characters as a null‐terminated string.

Synopsis

Declared in <bdlb_chartype.h>

static
char const*
stringCntrl();

Description

Return a null‐terminated string consisting of all characters in the category CNTRL (i.e., [0‐37] and 177), ordered by increasing character codes. Note that this string, if printed, may appear to be of length 0 because the NULL character is part of the set and appears first.

Return Value

null‐terminated string of all CNTRL characters

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