mark.h,v

来自「TCP-IP红宝书源代码」· H,V 代码 · 共 55 行

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date	97.09.21.19.26.19;	author dls;	state Dist;
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date	94.05.10.20.48.46;	author dls;	state Old;
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@pre-3e code
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@/* mark.h - unmarked */

#ifndef	MAXMARK
#define	MAXMARK	20		/* maximum number of marked locations	*/
#endif
#ifdef	MEMMARK
extern	int	*(marks[]);
extern	int	nmarks;
extern	int	mkmutex;
typedef	int	MARKER[1];	/* by declaring it to be an array, the	*/
				/* name provides an address so forgotten*/
				/* &'s don't become a problem		*/

#define	unmarked(L)		(L[0]<0 || L[0]>=nmarks || marks[L[0]]!=L)
#define marked(L)               !unmarked(L)
    
#endif
@


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@Initial revision
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