23  * The room for the SCCB (only for writing) is not equal to a pages size
51 	struct sccb_header *sccb;  in sclp_make_buffer()  local
53 	sccb = (struct sccb_header *) page;  in sclp_make_buffer()
56 	 * of the sccb page.  in sclp_make_buffer()
58 	buffer = ((struct sclp_buffer *) ((addr_t) sccb + PAGE_SIZE)) - 1;  in sclp_make_buffer()
59 	buffer->sccb = sccb;  in sclp_make_buffer()
68 	/* initialize sccb */  in sclp_make_buffer()
69 	memset(sccb, 0, sizeof(struct sccb_header));  in sclp_make_buffer()
70 	sccb->length = sizeof(struct sccb_header);  in sclp_make_buffer()
82 	return buffer->sccb;  in sclp_unmake_buffer()
92 	struct sccb_header *sccb;  in sclp_initialize_mto()  local
102 	/* check if current buffer sccb can contain the mto */  in sclp_initialize_mto()
103 	sccb = buffer->sccb;  in sclp_initialize_mto()
104 	if ((MAX_SCCB_ROOM - sccb->length) < msg_size)  in sclp_initialize_mto()
107 	msg = (struct msg_buf *)((addr_t) sccb + sccb->length);  in sclp_initialize_mto()
137  * updating the sizes of MTO, enclosing MDB, event buffer and SCCB.
142 	struct sccb_header *sccb;  in sclp_finalize_mto()  local
147 	 * (SCCB, Event(Message) Buffer, Message Data Block)  in sclp_finalize_mto()
149 	sccb = buffer->sccb;  in sclp_finalize_mto()
154 	sccb->length += msg->header.length;  in sclp_finalize_mto()
159 	 * for the SCCB currently used for buffering and at all  in sclp_finalize_mto()
171  * returns number of characters written to the output sccb
278 			/* transfer current line to SCCB */  in sclp_write()
310  * Return the number of free bytes in the sccb
315 	struct sccb_header *sccb;  in sclp_buffer_space()  local
318 	sccb = buffer->sccb;  in sclp_buffer_space()
319 	count = MAX_SCCB_ROOM - sccb->length;  in sclp_buffer_space()
368 	struct sccb_header *sccb;  in sclp_writedata_callback()  local
371 	sccb = buffer->sccb;  in sclp_writedata_callback()
379 	switch (sccb->response_code) {  in sclp_writedata_callback()
391 		if (sclp_remove_processed((struct sccb_header *) sccb) > 0) {  in sclp_writedata_callback()
393 			sccb->response_code = 0x0000;  in sclp_writedata_callback()
409 		sccb->response_code = 0x0000;  in sclp_writedata_callback()
416 		if (sccb->response_code == 0x71f0)  in sclp_writedata_callback()
447 	buffer->request.sccb = buffer->sccb;  in sclp_emit_buffer()