int create_lattice(t_moldyn *moldyn,u8 type,double lc,int element,double mass,
u8 attr,u8 bnum,int a,int b,int c);
int add_atom(t_moldyn *moldyn,int element,double mass,u8 bnum,u8 attr,
int create_lattice(t_moldyn *moldyn,u8 type,double lc,int element,double mass,
u8 attr,u8 bnum,int a,int b,int c);
int add_atom(t_moldyn *moldyn,int element,double mass,u8 bnum,u8 attr,