Replace two blank line with a single blank line Post: 302353033

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iswblank

ISWBLANK(3)						     Linux Programmer's Manual						       ISWBLANK(3)

NAME

       iswblank - test for whitespace wide character

SYNOPSIS

       #include <wctype.h>

       int iswblank(wint_t wc);

DESCRIPTION

       The  iswblank  function	is the wide-character equivalent of the isblank function. It tests whether wc is a wide character belonging to the
       wide character class "blank".

       The wide character class "blank" is a subclass of the wide character class "space".

       Being a subclass of the wide character class "space", the wide character class "blank" is disjoint from the wide  character  class  "graph"
       and therefore also disjoint from its subclasses "alnum", "alpha", "upper", "lower", "digit", "xdigit", "punct".

       The wide character class "blank" always contains at least the space character and the control character '	'.

RETURN VALUE

       The iswblank function returns non-zero if wc is a wide character belonging to the wide character class "blank". Otherwise it returns zero.

CONFORMING TO

       This function is a GNU extension.

SEE ALSO

       isblank(3), iswctype(3)

NOTES

       The behaviour of iswblank depends on the LC_CTYPE category of the current locale.

GNU
								    1999-07-25							       ISWBLANK(3)

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