23  * The room for the SCCB (only for writing) is not equal to a pages size
44 	struct sccb_header *sccb;  in sclp_make_buffer()  local
46 	sccb = (struct sccb_header *) page;  in sclp_make_buffer()
49 	 * of the sccb page.  in sclp_make_buffer()
51 	buffer = ((struct sclp_buffer *) ((addr_t) sccb + PAGE_SIZE)) - 1;  in sclp_make_buffer()
52 	buffer->sccb = sccb;  in sclp_make_buffer()
61 	/* initialize sccb */  in sclp_make_buffer()
62 	memset(sccb, 0, sizeof(struct sccb_header));  in sclp_make_buffer()
63 	sccb->length = sizeof(struct sccb_header);  in sclp_make_buffer()
75 	return buffer->sccb;  in sclp_unmake_buffer()
85 	struct sccb_header *sccb;  in sclp_initialize_mto()  local
95 	/* check if current buffer sccb can contain the mto */  in sclp_initialize_mto()
96 	sccb = buffer->sccb;  in sclp_initialize_mto()
97 	if ((MAX_SCCB_ROOM - sccb->length) < msg_size)  in sclp_initialize_mto()
100 	msg = (struct msg_buf *)((addr_t) sccb + sccb->length);  in sclp_initialize_mto()
130  * updating the sizes of MTO, enclosing MDB, event buffer and SCCB.
135 	struct sccb_header *sccb;  in sclp_finalize_mto()  local
140 	 * (SCCB, Event(Message) Buffer, Message Data Block)  in sclp_finalize_mto()
142 	sccb = buffer->sccb;  in sclp_finalize_mto()
147 	sccb->length += msg->header.length;  in sclp_finalize_mto()
152 	 * for the SCCB currently used for buffering and at all  in sclp_finalize_mto()
164  * returns number of characters written to the output sccb
271 			/* transfer current line to SCCB */  in sclp_write()
303  * Return the number of free bytes in the sccb
308 	struct sccb_header *sccb;  in sclp_buffer_space()  local
311 	sccb = buffer->sccb;  in sclp_buffer_space()
312 	count = MAX_SCCB_ROOM - sccb->length;  in sclp_buffer_space()
361 	struct sccb_header *sccb;  in sclp_writedata_callback()  local
364 	sccb = buffer->sccb;  in sclp_writedata_callback()
372 	switch (sccb->response_code) {  in sclp_writedata_callback()
384 		if (sclp_remove_processed((struct sccb_header *) sccb) > 0) {  in sclp_writedata_callback()
386 			sccb->response_code = 0x0000;  in sclp_writedata_callback()
402 		sccb->response_code = 0x0000;  in sclp_writedata_callback()
409 		if (sccb->response_code == 0x71f0)  in sclp_writedata_callback()
440 	buffer->request.sccb = buffer->sccb;  in sclp_emit_buffer()