src/usr.bin/tip/tip.h - diff

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version 1.4, 1996/10/15 23:47:22

version 1.5, 1997/04/02 01:47:03

Line 1

/* $OpenBSD$ */

/* $NetBSD: tip.h,v 1.4 1995/10/29 00:49:43 pk Exp $ */

/* $NetBSD: tip.h,v 1.5 1996/12/29 10:34:11 cgd Exp $ */

Line 144

* initialize it in vars.c, so we cast it as needed to keep lint

* happy.

typedef

union {

int zz_number;

short zz_boolean[2];

char zz_character[4];

int *zz_address;

}

zzhack;

#define value(v) vtable[v].v_value

#define number(v) ((((zzhack *)(&(v))))->zz_number)

#define number(v) ((long)(v))

#define boolean(v) ((short)(long)(v))

#define character(v) ((char)(long)(v))

#define address(v) ((long *)(v))

#if BYTE_ORDER == LITTLE_ENDIAN

#define setnumber(v,n) do { (v) = (char *)(long)(n); } while (0)

#define boolean(v) ((((zzhack *)(&(v))))->zz_boolean[0])

#define setboolean(v,n) do { (v) = (char *)(long)(n); } while (0)

#define character(v) ((((zzhack *)(&(v))))->zz_character[0])

#define setcharacter(v,n) do { (v) = (char *)(long)(n); } while (0)

#endif

#define setaddress(v,n) do { (v) = (char *)(n); } while (0)

#if BYTE_ORDER == BIG_ENDIAN

#define boolean(v) ((((zzhack *)(&(v))))->zz_boolean[1])

#define character(v) ((((zzhack *)(&(v))))->zz_character[3])

#endif

#define address(v) ((((zzhack *)(&(v))))->zz_address)

* Escape command table definitions --