DragonFly On-Line Manual Pages

ISSPACE(3)            DragonFly Library Functions Manual            ISSPACE(3)

NAME
     isspace, isspace_l -- white-space character test

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <ctype.h>

     int
     isspace(int c);

     int
     isspace_l(int c, locale_t locale);

DESCRIPTION
     The isspace() and isspace_l() functions test for white-space characters.
     For any locale, this includes the following standard characters:

     ``\t''   ``\n''    ``\v''    ``\f''    ``\r''    `` ''

     In the "C" locale, isspace() and isspace_l() return non-zero for these
     characters only.  The value of the argument must be representable as an
     unsigned char or the value of EOF.

     The isspace_l() function takes an explicit locale argument, whereas the
     isspace() function uses the current global or per-thread locale.

RETURN VALUES
     The isspace() and isspace_l() functions return zero if the character
     tests false and return non-zero if the character tests true.

COMPATIBILITY
     The 4.4BSD extension of accepting arguments outside of the range of the
     unsigned char type in locales with large character sets is considered
     obsolete and may not be supported in future releases.  The iswspace() and
     iswspace_l() functions should be used instead.

SEE ALSO
     ctype(3), ctype_l(3), iswspace(3), iswspace_l(3), multibyte(3),
     xlocale(3), ascii(7)

STANDARDS
     The isspace() function conforms to ISO/IEC 9899:1990 (``ISO C90'').  The
     isspace_l() function conforms to IEEE Std 1003.1-2008 (``POSIX.1'').

DragonFly 4.3                  December 25, 2013                 DragonFly 4.3