64     while (ps.p_stack[ps.tos] == ifhead && tk != elselit) {  in parse()
66 	ps.p_stack[ps.tos] = stmt;	/* apply the if(..) stmt ::= stmt  in parse()
78 	if (ps.p_stack[ps.tos] != decl) {	/* only put one declaration  in parse()
82 	    ps.p_stack[++ps.tos] = decl;  in parse()
89 		    if (ps.p_stack[i] == decl)  in parse()
98 	if (ps.p_stack[ps.tos] == elsehead && opt.else_if) /* "else if ..." */  in parse()
108 	ps.p_stack[++ps.tos] = tk;  in parse()
116 	if (ps.p_stack[ps.tos] == stmt || ps.p_stack[ps.tos] == decl  in parse()
117 		|| ps.p_stack[ps.tos] == stmtl)  in parse()
129 		if (ps.p_stack[ps.tos] == swstmt && opt.case_indent >= 1)  in parse()
137 	ps.p_stack[++ps.tos] = lbrace;  in parse()
139 	ps.p_stack[++ps.tos] = stmt;  in parse()
145 	if (ps.p_stack[ps.tos] == dohead) {  in parse()
148 	    ps.p_stack[++ps.tos] = whilestmt;  in parse()
152 	    ps.p_stack[++ps.tos] = whilestmt;  in parse()
162 	if (ps.p_stack[ps.tos] != ifhead)  in parse()
169 	    ps.p_stack[ps.tos] = elsehead;  in parse()
177 	if (ps.tos > 0 && ps.p_stack[ps.tos - 1] == lbrace) {  in parse()
179 	    ps.p_stack[ps.tos] = stmt;  in parse()
186 	ps.p_stack[++ps.tos] = swstmt;  in parse()
201 	ps.p_stack[++ps.tos] = stmt;  in parse()
219 	printf("(%d %d)", ps.p_stack[i], ps.il[i]);  in parse()
273 	switch (ps.p_stack[ps.tos]) {  in reduce()
276 	    switch (ps.p_stack[ps.tos - 1]) {  in reduce()
281 		ps.p_stack[--ps.tos] = stmtl;  in reduce()
285 		ps.p_stack[--ps.tos] = dohead;  in reduce()
291 		ps.p_stack[--ps.tos] = ifhead;  in reduce()
294 			 ps.p_stack[i] != stmt  in reduce()
296 			 ps.p_stack[i] != stmtl  in reduce()
298 			 ps.p_stack[i] != lbrace  in reduce()
320 		ps.p_stack[--ps.tos] = stmt;  in reduce()
331 	    if (ps.p_stack[ps.tos - 1] == dohead) {  in reduce()