usr/src/new/courier/lib/courier.h

/*
 * Predefined Courier types.
 */
typedef char            Boolean;
typedef unsigned short  Cardinal;
typedef unsigned long   LongCardinal;
typedef short           Integer;
typedef long            LongInteger;
typedef char            *String;
typedef unsigned short  Unspecified;
typedef unsigned long   LongUnspecified;

#define MoveByte(a, b, flag)    (flag ? *(char *)(b) = *(char *)(a), 1 : 1)

/*
 * Low-level byte moving, with byte-swapping.
 * Use these definitions for VAX and other low-enders.
 */
#if vax
#define MoveShort(a, b, flag)   (flag ? *(char *)(b) = *((char *)(a)+1), *((char *)(b)+1) = *(char *)(a), 1 : 1)
#define MoveLong(a, b, flag)    (flag ? *(char *)(b) = *((char *)(a)+3), *((char *)(b)+1) = *((char *)(a)+2), *((char *)(b)+2) = *((char *)(a)+1), *((char *)(b)+3) = *(char *)(a), 2 : 2)
#endif

/*
 * Low-level byte moving, without byte-swapping.
 * Use these definitions for SUN and other high-enders.
 */
#if sun
#define MoveShort(a, b, flag)   (flag ? *(short *)(b) = *(short *)(a), 1 : 1)
#define MoveLong(a, b, flag)    (flag ? *(long *)(b) = *(long *)(a), 2 : 2)
#endif

#define PackBoolean(p, buf, flag)               MoveByte(p, buf, flag)
#define UnpackBoolean(p, buf)                   MoveByte(buf, p, 1)

#define PackCardinal(p, buf, flag)              MoveShort(p, buf, flag)
#define UnpackCardinal(p, buf)                  MoveShort(buf, p, 1)

#define PackLongCardinal(p, buf, flag)          MoveLong(p, buf, flag)
#define UnpackLongCardinal(p, buf)              MoveLong(buf, p, 1)

#define PackInteger(p, buf, flag)               MoveShort(p, buf, flag)
#define UnpackInteger(p, buf)                   MoveShort(buf, p, 1)

#define PackLongInteger(p, buf, flag)           MoveLong(p, buf, flag)
#define UnpackLongInteger(p, buf)               MoveLong(buf, p, 1)

#define PackUnspecified(p, buf, flag)           MoveShort(p, buf, flag)
#define UnpackUnspecified(p, buf)               MoveShort(buf, p, 1)

#define PackLongUnspecified(p, buf, flag)       MoveLong(p, buf, flag)
#define UnpackLongUnspecified(p, buf)           MoveLong(buf, p, 1)

/*
 * External declarations.
 */
extern Unspecified *Allocate();
extern Unspecified *ReceiveCallMessage(), *ReceiveReturnMessage();