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Docs » Include » dos » var.h / .i
#ifndef DOS_VAR_H
#define DOS_VAR_H
/*
**
**	$VER: var.h 36.11 (2.6.1992)
**	Includes Release 45.1
**
**	include file for dos local and environment variables
**
**	(C) Copyright 1989-2001 Amiga, Inc.
**	    All Rights Reserved
**
*/


#ifndef EXEC_NODES_H
#include <exec/nodes.h>
#endif

/* the structure in the pr_LocalVars list */
/* Do NOT allocate yourself, use SetVar()!!! This structure may grow in */
/* future releases!  The list should be left in alphabetical order, and */
/* may have multiple entries with the same name but different types.	*/

struct LocalVar {
	struct Node lv_Node;
	UWORD	lv_Flags;
	UBYTE	*lv_Value;
	ULONG	lv_Len;
};

/*
 * The lv_Flags bits are available to the application.	The unused
 * lv_Node.ln_Pri bits are reserved for system use.
 */

/* bit definitions for lv_Node.ln_Type: */
#define LV_VAR			0	/* an variable */
#define LV_ALIAS		1	/* an alias */
/* to be or'ed into type: */
#define LVB_IGNORE		7	/* ignore this entry on GetVar, etc */
#define LVF_IGNORE		0x80

/* definitions of flags passed to GetVar()/SetVar()/DeleteVar() */
/* bit defs to be OR'ed with the type: */
/* item will be treated as a single line of text unless BINARY_VAR is used */
#define GVB_GLOBAL_ONLY		8
#define GVF_GLOBAL_ONLY		0x100
#define GVB_LOCAL_ONLY		9
#define GVF_LOCAL_ONLY		0x200
#define GVB_BINARY_VAR		10		/* treat variable as binary */
#define GVF_BINARY_VAR		0x400
#define GVB_DONT_NULL_TERM	11	/* only with GVF_BINARY_VAR */
#define GVF_DONT_NULL_TERM	0x800

/* this is only supported in >= V39 dos.  V37 dos ignores this. */
/* this causes SetVar to affect ENVARC: as well as ENV:.	*/
#define GVB_SAVE_VAR		12	/* only with GVF_GLOBAL_VAR */
#define GVF_SAVE_VAR		0x1000

#endif /* DOS_VAR_H */

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