ISWCNTRL
NAME SYNOPSIS DESCRIPTION RETURN VALUE CONFORMING TO SEE ALSO NOTES
iswcntrl - test for control wide character
#include wc);
The iswcntrl function is the wide-character equivalent of the iscntrl function. It tests whether wc is a wide character belonging to the wide character class ''
The wide character class
For an unsigned char c, iscntrl(c) implies iswcntrl(btowc(c)), but not vice versa.
The iswcntrl function returns non-zero if wc is a wide character belonging to the wide character class ''
ISO/ANSI C, UNIX98
The behaviour of iswcntrl depends on the LC_CTYPE category of the current locale.
2 pages link to iswcntrl(3):