60     while (ps.p_stack[ps.tos] == ifhead && tk != elselit) {  in parse()
62 	ps.p_stack[ps.tos] = stmt;	/* apply the if(..) stmt ::= stmt  in parse()
74 	if (ps.p_stack[ps.tos] != decl) {	/* only put one declaration  in parse()
78 	    ps.p_stack[++ps.tos] = decl;  in parse()
85 		    if (ps.p_stack[i] == decl)  in parse()
94 	if (ps.p_stack[ps.tos] == elsehead && opt.else_if) /* "else if ..." */  in parse()
105 	ps.p_stack[++ps.tos] = tk;  in parse()
113 	if (ps.p_stack[ps.tos] == stmt || ps.p_stack[ps.tos] == decl  in parse()
114 		|| ps.p_stack[ps.tos] == stmtl)  in parse()
126 		if (ps.p_stack[ps.tos] == swstmt && opt.case_indent >= 1)  in parse()
134 	ps.p_stack[++ps.tos] = lbrace;  in parse()
136 	ps.p_stack[++ps.tos] = stmt;  in parse()
142 	if (ps.p_stack[ps.tos] == dohead) {  in parse()
145 	    ps.p_stack[++ps.tos] = whilestmt;  in parse()
149 	    ps.p_stack[++ps.tos] = whilestmt;  in parse()
159 	if (ps.p_stack[ps.tos] != ifhead)  in parse()
166 	    ps.p_stack[ps.tos] = elsehead;  in parse()
174 	if (ps.tos > 0 && ps.p_stack[ps.tos - 1] == lbrace) {  in parse()
176 	    ps.p_stack[ps.tos] = stmt;  in parse()
183 	ps.p_stack[++ps.tos] = swstmt;  in parse()
198 	ps.p_stack[++ps.tos] = stmt;  in parse()
216 	printf("(%d %d)", ps.p_stack[i], ps.il[i]);  in parse()
270 	switch (ps.p_stack[ps.tos]) {  in reduce()
273 	    switch (ps.p_stack[ps.tos - 1]) {  in reduce()
278 		ps.p_stack[--ps.tos] = stmtl;  in reduce()
282 		ps.p_stack[--ps.tos] = dohead;  in reduce()
288 		ps.p_stack[--ps.tos] = ifhead;  in reduce()
291 			 ps.p_stack[i] != stmt  in reduce()
293 			 ps.p_stack[i] != stmtl  in reduce()
295 			 ps.p_stack[i] != lbrace  in reduce()
317 		ps.p_stack[--ps.tos] = stmt;  in reduce()
328 	    if (ps.p_stack[ps.tos - 1] == dohead) {  in reduce()