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#include "_ctype.h"
/** test whether a character is blank **/
int isblank(int c)
{
unsigned int *map = __get_locale()->lc_ctype.ctattr;
SIGNAL_SAFE(0);
ASSERT_REPRESENTABLE(c, 0, UCHAR_MAX, "unsigned char", EOF);
return c == EOF ? 0 : map[c] & CTM_BLANK;
}
CHECK_1(int, 0, isblank, int)
/***
tests whether a character is a of the character class CCLASS(blank) in the
current locale.
***/
/*
C_LOCALE(only space (CHAR( )) and tab (CHAR(\t)) are blank)
OTHER_LOCALES(true for space (CHAR( )), tab (CHAR(\t)), and characters for which FUNCTION(isspace) is true and are used to separate words)
RETURN(NONZERO, arg(c) is a blank character)
RETURN(ZERO, arg(c) is not a blank character)
LC_CTYPE
STDC(199901)
*/
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