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Index: T n

⟦0a6d487cd⟧ TextFile

    Length: 1123 (0x463)
    Types: TextFile
    Names: »num.h«

Derivation

└─⟦060c9c824⟧ Bits:30007080 DKUUG TeX 2/12/89
    └─⟦this⟧ »./DVIware/laser-setters/umd-dvi/h/num.h«

TextFile

/*
 * Copyright (c) 1987 University of Maryland Department of Computer Science.
 * All rights reserved.  Permission to copy for any purpose is hereby granted
 * so long as this copyright notice remains intact.
 */

/*
 * Pointer I/O: numbers.
 *
 * We deal in fixed format numbers and pointers here.
 * For file I/O, see fio.h.
 */

/*
 * Get one unsigned byte.  Note that this is a proper expression.
 * The rest have more limited contexts, and are therefore OddLy
 * CapItaliseD.
 */
#define	pgetbyte(p)	UnSign8(*(p)++)

/*
 * Get a two-byte unsigned integer, a three-byte unsigned integer,
 * or a four-byte signed integer.
 */
#define	pGetWord(p, r) ((r)  = UnSign8(*(p)++) << 8, \
			(r) |= UnSign8(*(p)++))
#define	pGet3Byte(p,r) ((r)  = UnSign8(*(p)++) << 16, \
			(r) |= UnSign8(*(p)++) << 8, \
			(r) |= UnSign8(*(p)++))
#define	pGetLong(p, r) ((r)  = UnSign8(*(p)++) << 24, \
			(r) |= UnSign8(*(p)++) << 16, \
			(r) |= UnSign8(*(p)++) << 8, \
			(r) |= UnSign8(*(p)++))

/*
 * ADD pputbyte, pPutWord, pPut3Byte, pPutLong HERE IF THEY PROVE
 * USEFUL.  (But then must consider changing PutWord &c in fio.h.)
 */