int
isspace(
int c
)
)
function tests for the standard white-space characters
for which
isalnum(3)
is false.
The standard white-space characters are the following:
\f
\n
\r
\t
\v
In the
``C''
locale,
isspace()
returns true only for the standard white-space characters.
)
function returns zero if the character tests false and
returns non-zero if the character tests true.
)
function conforms to
ANSI X3.159-1989 (``ANSI C89'') .
)
must be
EOF
or representable as an
otherwise, the behavior is undefined.
See the
CAVEATS
section of
ctype(3)
for more details.