errno.h

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#include <rw/_defs.h>
 
#ifndef _RWSTD_NO_DEPRECATED_C_HEADERS
 
#  ifndef _RWSTD_ERRNO_H_INCLUDED
#    define _RWSTD_ERRNO_H_INCLUDED
 
#    include <cerrno>
 
#    ifndef _RWSTD_NO_NAMESPACE
 
#      ifndef errno
 
// be prepared to handle 17.4.1.2, p5 and lwg issue 310
// which say that errno may and must be a macro, respectively
 
using std::errno;
 
#      endif   // errno
 
#    endif   // _RWSTD_NO_NAMESPACE
 
#  endif   // _RWSTD_ERRNO_H_INCLUDED
 
#else
 
#  if    !defined (errno) \
      || !defined (EDOM) || !defined (ERANGE) || !defined (EAGAIN)
#    include _RWSTD_ANSI_C_ERRNO_H
#  endif   // errno ...
 
#endif   // _RWSTD_NO_DEPRECATED_C_HEADERS