1  /*
       2   * No copyright is claimed.  This code is in the public domain; do with
       3   * it what you wish.
       4   */
       5  
       6  /* Declarations for wide characters */
       7  /* This file must be included last because the redefinition of wchar_t may
       8     cause conflicts when system include files were included after it. */
       9  
      10  #ifdef HAVE_WIDECHAR
      11  
      12  # include <wchar.h>
      13  # include <wctype.h>
      14  
      15  #else /* !HAVE_WIDECHAR */
      16  
      17  # include <ctype.h>
      18    /* Fallback for types */
      19  # define wchar_t char
      20  # define wint_t int
      21  # ifndef WEOF
      22  #  define WEOF EOF
      23  # endif
      24  
      25   /* Fallback for input operations */
      26  # define fgetwc fgetc
      27  # define getwc getc
      28  # define getwchar getchar
      29  # define fgetws fgets
      30  
      31    /* Fallback for output operations */
      32  # define fputwc fputc
      33  # define putwc putc
      34  # define putwchar putchar
      35  # define fputws fputs
      36  
      37    /* Fallback for character classification */
      38  # define iswgraph isgraph
      39  # define iswprint isprint
      40  # define iswspace isspace
      41  
      42    /* Fallback for string functions */
      43  # define wcschr strchr
      44  # define wcsdup strdup
      45  # define wcslen strlen
      46  # define wcspbrk strpbrk
      47  
      48  # define wcwidth(c) (1)
      49  # define wmemset memset
      50  # define ungetwc ungetc
      51  
      52  #endif /* HAVE_WIDECHAR */