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#include <stdlib.h>

#include <stdlib.h>

size_t

size_t

_DEFUN (_mbstowcs_r, (reent, pwcs, s, n, state),

_DEFUN (_mbstowcs_r, (reent, pwcs, s, n, state),

        struct _reent *r    _AND

        struct _reent *r    _AND

        wchar_t       *pwcs _AND

        wchar_t       *pwcs _AND

        const char    *s    _AND

        const char    *s    _AND

        size_t         n    _AND

        size_t         n    _AND

        int           *state)

        int           *state)

{

{

  wchar_t *ptr = pwcs;

  wchar_t *ptr = pwcs;

  size_t max = n;

  size_t max = n;

  char *t = (char *)s;

  char *t = (char *)s;

  int bytes;

  int bytes;

  while (n > 0)

  while (n > 0)

    {

    {

      bytes = _mbtowc_r (r, ptr, t, MB_CUR_MAX, state);

      bytes = _mbtowc_r (r, ptr, t, MB_CUR_MAX, state);

      if (bytes == -1)

      if (bytes == -1)

        return -1;

        return -1;

      else if (bytes == 0)

      else if (bytes == 0)

        return ptr - pwcs;

        return ptr - pwcs;

      t += bytes;

      t += bytes;

      ++ptr;

      ++ptr;

      --n;

      --n;

    }

    }

  return max;

  return max;

}

}