newlib/libc/ctype/iswupper.c

   1 /*
   2 FUNCTION
   3         <<iswupper>>, <<iswupper_l>>---uppercase wide character test
   4
   5 INDEX
   6         iswupper
   7
   8 INDEX
   9         iswupper_l
  10
  11 SYNOPSIS
  12         #include <wctype.h>
  13         int iswupper(wint_t <[c]>);
  14
  15         #include <wctype.h>
  16         int iswupper_l(wint_t <[c]>, locale_t <[locale]>);
  17
  18 DESCRIPTION
  19 <<iswupper>> is a function which classifies wide-character values that
  20 are categorized as uppercase.
  21
  22 <<iswupper_l>> is like <<iswupper>> but performs the check based on the
  23 locale specified by the locale object locale.  If <[locale]> is
  24 LC_GLOBAL_LOCALE or not a valid locale object, the behaviour is undefined.
  25
  26 RETURNS
  27 <<iswupper>>, <<iswupper_l>> return non-zero if <[c]> is an uppercase wide character.
  28
  29 PORTABILITY
  30 <<iswupper>> is C99.
  31 <<iswupper_l>> is POSIX-1.2008.
  32
  33 No supporting OS subroutines are required.
  34 */
  35 #include <_ansi.h>
  36 #include <wctype.h>
  37
  38 int
  39 iswupper (wint_t c)
  40 {
  41   return iswupper_l (c, 0);
  42 }