diff options
Diffstat (limited to 'newlib/libc/ctype/iscntrl.c')
-rw-r--r-- | newlib/libc/ctype/iscntrl.c | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/newlib/libc/ctype/iscntrl.c b/newlib/libc/ctype/iscntrl.c deleted file mode 100644 index 7b6da34..0000000 --- a/newlib/libc/ctype/iscntrl.c +++ /dev/null @@ -1,48 +0,0 @@ - -/* -FUNCTION - <<iscntrl>>---control character predicate - -INDEX - iscntrl - -ANSI_SYNOPSIS - #include <ctype.h> - int iscntrl(int <[c]>); - -TRAD_SYNOPSIS - #include <ctype.h> - int iscntrl(<[c]>); - -DESCRIPTION -<<iscntrl>> is a macro which classifies ASCII integer values by table -lookup. It is a predicate returning non-zero for control characters, and 0 -for other characters. It is defined only when <<isascii>>(<[c]>) is -true or <[c]> is EOF. - -You can use a compiled subroutine instead of the macro definition by -undefining the macro using `<<#undef iscntrl>>'. - -RETURNS -<<iscntrl>> returns non-zero if <[c]> is a delete character or ordinary -control character (<<0x7F>> or <<0x00>>--<<0x1F>>). - -PORTABILITY -<<iscntrl>> is ANSI C. - -No supporting OS subroutines are required. -*/ - -#include <_ansi.h> -#include <ctype.h> - - - -#undef iscntrl -int -_DEFUN(iscntrl,(c),int c) -{ - return((_ctype_ + 1)[c] & _C); -} - - |