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Name

free_rtn - structure that specifies a driver’s message freeing routine

Synopsis

#include <sys/stream.h>

Interface Level

Architecture independent level 1 (DDI/DKI).

Description

The free_rtn structure is referenced by the datab structure. When freeb(9F) is called to free the message, the driver’s message freeing routine (referenced through the free_rtn structure) is called, with arguments, to free the data buffer.

Structure Members

void(*free_func)()/* user’s freeing routine */
char*free_arg/* arguments to free_func() */

The free_rtn structure is defined as type frtn_t.

See Also

esballoc(9F) , freeb(9F) , datab(9S)

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