45 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			45 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*	queryparam.h - query program parameters		Author: Kees J. Bot
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|  *								22 Apr 1994
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|  */
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| #ifndef _MINIX__QUERYPARAM_H
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| #define _MINIX__QUERYPARAM_H
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| 
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| 
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| typedef size_t _mnx_size_t;
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| 
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| struct export_param_list {
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| 	char	*name;		/* "variable", "[", ".field", or NULL. */
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| 	void	*offset;	/* Address of a variable or field offset. */
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| 	size_t	size;		/* Size of the resulting object. */
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| };
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| 
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| struct export_params {
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| 	struct export_param_list *list;	/* List of exported parameters. */
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| 	struct export_params	 *next;	/* Link several sets of parameters. */
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| };
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| 
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| #ifdef __STDC__
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| #define qp_stringize(var)	(char *) #var
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| #define qp_dotstringize(var)	"." (char *) #var
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| #else
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| #define qp_stringize(var)	"var"
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| #define qp_dotstringize(var)	".var"
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| #endif
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| #define QP_VARIABLE(var)	{ qp_stringize(var), &(var), sizeof(var) }
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| #define QP_ARRAY(var)		{ (char *) "[", 0, sizeof((var)[0]) }
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| #define QP_VECTOR(var,ptr,len)	{ qp_stringize(var), &(ptr), -1 },\
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| 				{ (char *) "[", &(len), sizeof(*(ptr)) }
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| #define QP_FIELD(field, type)	{ qp_dotstringize(field), \
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| 					(void *)offsetof(type, field), \
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| 					sizeof(((type *)0)->field) }
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| #define QP_END()		{ 0, 0, 0 }
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| 
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| void qp_export(struct export_params *_ex_params);
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| int queryparam(int (*_qgetc) (void), void **_paddress, _mnx_size_t
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| 	*_psize);
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| _mnx_size_t paramvalue(char **_value, void *_address, _mnx_size_t
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| 	_size);
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| #endif /* _MINIX__QUERYPARAM_H */
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| 
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| /* $PchId: queryparam.h,v 1.1 2005/06/28 14:31:26 philip Exp $ */
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