field_add_to_chain
field_add_to_chain(&((*F)->f_next), A);
extern void field_add_to_chain(field_t **, field_t *);
field_add_to_chain(&(S->m_fields_head), nF);
field_add_to_chain(&(S->m_fields_head), nF);
field_add_to_chain(&(S->m_fields_head), nF);
field_add_to_chain(&(S->m_fields_head), nF);
field_add_to_chain(&(S->m_fields_head), nF);