66     while (ps.p_stack[ps.tos] == ifhead && tk != elselit) {  in parse()
68 	ps.p_stack[ps.tos] = stmt;	/* apply the if(..) stmt ::= stmt  in parse()
80 	if (ps.p_stack[ps.tos] != decl) {	/* only put one declaration  in parse()
84 	    ps.p_stack[++ps.tos] = decl;  in parse()
91 		    if (ps.p_stack[i] == decl)  in parse()
100 	if (ps.p_stack[ps.tos] == elsehead && opt.else_if) /* "else if ..." */  in parse()
111 	ps.p_stack[++ps.tos] = tk;  in parse()
119 	if (ps.p_stack[ps.tos] == stmt || ps.p_stack[ps.tos] == decl  in parse()
120 		|| ps.p_stack[ps.tos] == stmtl)  in parse()
132 		if (ps.p_stack[ps.tos] == swstmt && opt.case_indent >= 1)  in parse()
140 	ps.p_stack[++ps.tos] = lbrace;  in parse()
142 	ps.p_stack[++ps.tos] = stmt;  in parse()
148 	if (ps.p_stack[ps.tos] == dohead) {  in parse()
151 	    ps.p_stack[++ps.tos] = whilestmt;  in parse()
155 	    ps.p_stack[++ps.tos] = whilestmt;  in parse()
165 	if (ps.p_stack[ps.tos] != ifhead)  in parse()
172 	    ps.p_stack[ps.tos] = elsehead;  in parse()
180 	if (ps.tos > 0 && ps.p_stack[ps.tos - 1] == lbrace) {  in parse()
182 	    ps.p_stack[ps.tos] = stmt;  in parse()
189 	ps.p_stack[++ps.tos] = swstmt;  in parse()
204 	ps.p_stack[++ps.tos] = stmt;  in parse()
222 	printf("(%d %d)", ps.p_stack[i], ps.il[i]);  in parse()
276 	switch (ps.p_stack[ps.tos]) {  in reduce()
279 	    switch (ps.p_stack[ps.tos - 1]) {  in reduce()
284 		ps.p_stack[--ps.tos] = stmtl;  in reduce()
288 		ps.p_stack[--ps.tos] = dohead;  in reduce()
294 		ps.p_stack[--ps.tos] = ifhead;  in reduce()
297 			 ps.p_stack[i] != stmt  in reduce()
299 			 ps.p_stack[i] != stmtl  in reduce()
301 			 ps.p_stack[i] != lbrace  in reduce()
323 		ps.p_stack[--ps.tos] = stmt;  in reduce()
334 	    if (ps.p_stack[ps.tos - 1] == dohead) {  in reduce()