ISBLANK(3) | Library Functions Manual | ISBLANK(3) |
isblank
—
#include <ctype.h>
int
isblank
(int
c);
isblank
() function tests for the standard
blank-space characters. The standard blank-space characters are the following:
\t
In the ``C'' locale,
isblank
() returns true only for the standard
blank-space characters.
isblank
() function returns zero if the character
tests false and returns non-zero if the character tests true.
isblank
() must be
EOF
or representable as an unsigned
char; otherwise, the behavior is undefined. See the
CAVEATS section of
ctype(3) for more details.
April 17, 2008 | NetBSD 9.0 |