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Diffstat (limited to 'newlib/libc/ctype/isalnum.c')
-rw-r--r-- | newlib/libc/ctype/isalnum.c | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/newlib/libc/ctype/isalnum.c b/newlib/libc/ctype/isalnum.c deleted file mode 100644 index 7e05bd1..0000000 --- a/newlib/libc/ctype/isalnum.c +++ /dev/null @@ -1,46 +0,0 @@ -/* -FUNCTION - <<isalnum>>---alphanumeric character predicate - -INDEX - isalnum - -ANSI_SYNOPSIS - #include <ctype.h> - int isalnum(int <[c]>); - -TRAD_SYNOPSIS - #include <ctype.h> - int isalnum(<[c]>); - - -DESCRIPTION -<<isalnum>> is a macro which classifies ASCII integer values by table -lookup. It is a predicate returning non-zero for alphabetic or -numeric ASCII characters, and <<0>> for other arguments. It is defined -for all integer values. - -You can use a compiled subroutine instead of the macro definition by -undefining the macro using `<<#undef isalnum>>'. - -RETURNS -<<isalnum>> returns non-zero if <[c]> is a letter (<<a>>--<<z>> or -<<A>>--<<Z>>) or a digit (<<0>>--<<9>>). - -PORTABILITY -<<isalnum>> is ANSI C. - -No OS subroutines are required. -*/ - -#include <_ansi.h> -#include <ctype.h> - -#undef isalnum - -int -_DEFUN(isalnum,(c),int c) -{ - return((_ctype_ + 1)[c] & (_U|_L|_N)); -} - |