106 	clp->c_cs = kalloc_data(size, Z_WAITOK | Z_ZERO);  in clalloc()
107 	if (!clp->c_cs) {  in clalloc()
114 			kfree_data(clp->c_cs, size);  in clalloc()
122 	clp->c_ce = clp->c_cs + size;  in clalloc()
131 	if (clp->c_cs) {  in clfree()
132 		kfree_data(clp->c_cs, clp->c_cn);  in clfree()
137 	clp->c_cs = clp->c_cq = (u_char *)0;  in clfree()
156 		if (isset(clp->c_cq, clp->c_cf - clp->c_cs)) {  in getc()
160 		if (*(clp->c_cf - clp->c_cs + clp->c_cq)) {  in getc()
166 		clp->c_cf = clp->c_cs;  in getc()
200 			clp->c_cf = clp->c_cs;  in q_to_b()
232 	i = clp->c_cf - clp->c_cs;  in ndqb()
237 		while (cc-- > 0 && !(clp->c_cs[i++] & (flag & ~TTY_QUOTE) ||  in ndqb()
245 		while (cc-- > 0 && !(clp->c_cs[i++] & flag)) {  in ndqb()
285 			clp->c_cf = clp->c_cs;  in ndflush()
302 		if (!clp->c_cs) {  in putc()
310 		clp->c_cf = clp->c_cl = clp->c_cs;  in putc()
318 	i = clp->c_cl - clp->c_cs;  in putc()
337 		clp->c_cl = clp->c_cs;  in putc()
401 		if (!clp->c_cs) {  in b_to_q()
409 		clp->c_cf = clp->c_cl = clp->c_cs;  in b_to_q()
428 			if (clp->c_cl - clp->c_cs > INT_MAX || cc > INT_MAX) {  in b_to_q()
432 			clrbits(clp->c_cq, (int)(clp->c_cl - clp->c_cs), (int)cc);  in b_to_q()
434 			bzero(clp->c_cl - clp->c_cs + clp->c_cq, cc);  in b_to_q()
442 			clp->c_cl = clp->c_cs;  in b_to_q()
475 		cp = clp->c_cs;  in nextc()
480 		if (isset(clp->c_cq, cp - clp->c_cs)) {  in nextc()
484 		if (*(clp->c_cf - clp->c_cs + clp->c_cq)) {  in nextc()
515 		if (isset(clp->c_cq, cp - clp->c_cs)) {  in firstc()
519 		if (*(cp - clp->c_cs + clp->c_cq)) {  in firstc()
539 	if (clp->c_cl == clp->c_cs) {  in unputc()
549 		if (isset(clp->c_cq, clp->c_cl - clp->c_cs)) {  in unputc()
553 		if (*(clp->c_cf - clp->c_cs + clp->c_cq)) {  in unputc()