READ ITEM FROM METAFILE

PREAD_ITEM

CALL SEQUENCE

void pread_item(

Pint	ws_id	/* workstation identifier	*/
Pint 	max_length	/* max item data record length	*/
Pitem_data	*item_data_rec	/* (out) item data record	*/

)

TYPES

typedef struct {
	int impl_dep;
	Pdata unsupp;
} Pitem_data;

typedef struct {
	size_t	size;	/* size of data 	*/
	void	*data;	/* pointer to data 	*/
} Pdata;

PHIGS STATE

EFFECT

Not implemented

ERRORS

3

Ignoring function, function requires state (PHOP, WSOP,*,*)

54

Ignoring function, the specified workstation is not open

58

Ignoring function, specified workstation is not of category MI

306

Ignoring function, maximum item data record length is invalid

302

Ignoring function, no item is left in metafile input

303

Ignoring function, metafile item is invalid