68     while (ps.p_stack[ps.tos] == ifhead && tk != elselit) {  in parse()
70 	ps.p_stack[ps.tos] = stmt;	/* apply the if(..) stmt ::= stmt  in parse()
82 	if (ps.p_stack[ps.tos] != decl) {	/* only put one declaration  in parse()
86 	    ps.p_stack[++ps.tos] = decl;  in parse()
93 		    if (ps.p_stack[i] == decl)  in parse()
102 	if (ps.p_stack[ps.tos] == elsehead && opt.else_if) /* "else if ..." */  in parse()
113 	ps.p_stack[++ps.tos] = tk;  in parse()
121 	if (ps.p_stack[ps.tos] == stmt || ps.p_stack[ps.tos] == decl  in parse()
122 		|| ps.p_stack[ps.tos] == stmtl)  in parse()
134 		if (ps.p_stack[ps.tos] == swstmt && opt.case_indent >= 1)  in parse()
142 	ps.p_stack[++ps.tos] = lbrace;  in parse()
144 	ps.p_stack[++ps.tos] = stmt;  in parse()
150 	if (ps.p_stack[ps.tos] == dohead) {  in parse()
153 	    ps.p_stack[++ps.tos] = whilestmt;  in parse()
157 	    ps.p_stack[++ps.tos] = whilestmt;  in parse()
167 	if (ps.p_stack[ps.tos] != ifhead)  in parse()
174 	    ps.p_stack[ps.tos] = elsehead;  in parse()
182 	if (ps.tos > 0 && ps.p_stack[ps.tos - 1] == lbrace) {  in parse()
184 	    ps.p_stack[ps.tos] = stmt;  in parse()
191 	ps.p_stack[++ps.tos] = swstmt;  in parse()
206 	ps.p_stack[++ps.tos] = stmt;  in parse()
224 	printf("(%d %d)", ps.p_stack[i], ps.il[i]);  in parse()
278 	switch (ps.p_stack[ps.tos]) {  in reduce()
281 	    switch (ps.p_stack[ps.tos - 1]) {  in reduce()
286 		ps.p_stack[--ps.tos] = stmtl;  in reduce()
290 		ps.p_stack[--ps.tos] = dohead;  in reduce()
296 		ps.p_stack[--ps.tos] = ifhead;  in reduce()
299 			 ps.p_stack[i] != stmt  in reduce()
301 			 ps.p_stack[i] != stmtl  in reduce()
303 			 ps.p_stack[i] != lbrace  in reduce()
325 		ps.p_stack[--ps.tos] = stmt;  in reduce()
336 	    if (ps.p_stack[ps.tos - 1] == dohead) {  in reduce()