GxCntl
extern GxCntl * yGxCntl(Conversion *);
extern void ydeGxCntl(GxCntl *);
extern int ygetplaneno(GxCntl *, char c);
extern int yescSeq(GxCntl *, IOBuf *);
GxCntl *
GxCntl *ret = (GxCntl *) malloc(sizeof (GxCntl));
ydeGxCntl(GxCntl *this) {
yescSeq(GxCntl *this, IOBuf *obj) {
ygetplaneno(GxCntl *dummy, char c) {
GxCntl *cntl;