247 static const char      *matchsym(const char *, const char *);
817 	if ((cp = matchsym("ifdef", keyword)) != NULL ||  in parseline()
818 	    (cp = matchsym("ifndef", keyword)) != NULL) {  in parseline()
832 	} else if ((cp = matchsym("if", keyword)) != NULL)  in parseline()
834 	else if ((cp = matchsym("elif", keyword)) != NULL)  in parseline()
836 	else if ((cp = matchsym("else", keyword)) != NULL)  in parseline()
838 	else if ((cp = matchsym("endif", keyword)) != NULL)  in parseline()
1081 	} else if (matchsym("defined", cp) != NULL) {  in eval_unary()
1426 matchsym(const char *s, const char *t)  in matchsym()  function
1612 	if ((cp = matchsym("define", kw)) != NULL) {  in defundef()
1624 	} else if ((cp = matchsym("undef", kw)) != NULL) {  in defundef()