setup_once.h: HP-UX specific 'bool', 'false' and 'true' definitions.

#define TOLOWER(x)  (tolower((int)  ((unsigned char)x)))

/*

 * 'bool' stuff compatible with HP-UX headers.

 */

#if defined(__hpux) && !defined(HAVE_BOOL_T)

   typedef int bool;

#  define false 0

#  define true 1

#  define HAVE_BOOL_T

#endif

/*

 * 'bool' exists on platforms with <stdbool.h>, i.e. C99 platforms.

 * On non-C99 platforms there's no bool, so define an enum for that.

#endif

/*

 * Some HP-UX system headers require TRUE defined to 1 and FALSE to 0.

 */

#if defined(__hpux)

#undef TRUE

#define TRUE 1

#undef FALSE

#define FALSE 0

#endif

/*

 * Macro WHILE_FALSE may be used to build single-iteration do-while loops,

 * avoiding compiler warnings. Mostly intended for other macro definitions.