#define CONST const

#if (defined(linux) && defined(HAVE_BSD_SGTTY)) || (!defined(linux) && defined(HAVE_SGTTY))
#define USE_LITOUT
#else
#define DONT_USE_LITOUT
#endif

/* From XEmacs config.h.in */
#ifndef BITS_PER_CHAR
#define BITS_PER_CHAR 8
#endif
#define LONGBITS (SIZEOF_LONG * BITS_PER_CHAR)

/* Define the return type of signal handlers if the s/xxx.h file
   did not already do so. */
#define RETSIGTYPE void

#ifndef XCDECL
#define XCDECL
#endif

/* SIGTYPE is the macro we actually use. */
#ifndef SIGTYPE
#define SIGTYPE RETSIGTYPE XCDECL
#define SIGRETURN return
#endif