funcdef
struct funcdef *func;
struct funcdef *
struct funcdef *fn;
sz.blocksize = offsetof(struct funcdef, n);
st.block = (char *)fn + offsetof(struct funcdef, n);
getfuncnode(struct funcdef *fn)
reffunc(struct funcdef *fn)
unreffunc(struct funcdef *fn)
struct funcdef;
struct funcdef *copyfunc(union node *);
union node *getfuncnode(struct funcdef *);
void reffunc(struct funcdef *);
void unreffunc(struct funcdef *);