text: #ifndef OLD_PDBIO_H
  #define OLD_PDBIO_H
  
  #include <stdio.h>
  #include "pdbatom.h"
  
  #ifdef __cplusplus
  extern "C"
  {
  #endif
  
  #define MAX_LINE_PDB 100
  
  void save_pdb_file(const char *path, const char *file_name, const int *numatom,
  		const pdb_atom_t *atoms, const pdb_seqres_t *seqres);
  void show_coordinates(const pdb_atom_t *atoms, const int *numatom);
  void show_coordinate(const pdb_atom_t *atom, const int *atom_index);
  void load_pdb_file(pdb_atom_t *atoms, pdb_seqres_t *seqres,
  		const char *path, const char *file_name, const int *numatom);
  void load_pdb_file_without_num_atom(pdb_atom_t *atoms, pdb_seqres_t *seqres,
  		const char *path_file_name);
  void load_pdb_model_file(pdb_atom_t **atoms, pdb_seqres_t *seqres,
  		const char *path, const char *file_name, const int *num_atoms_by_model);
  int get_num_atom(const char *path_PDB_file_name);
  void get_num_atoms_by_model(int *num_atoms_by_model, const char *path_PDB_file_name);
  void save_model_pdb_file(const char *path, const char *file_name, const int *num_model, 
  	const int *numatom, pdb_atom_t **atoms_model, const pdb_seqres_t *seqres );
  void load_pdb_atoms(char line[], pdb_atom_t *atoms, const int *l);
  
  void writeHeader(FILE *pdbfile, float dif, const int *npdb );
  void writeATOM(FILE *pdbfile, const pdb_atom_t *atoms, const int *npdb );
  void writeModel(FILE *pdbfile, const int *model);
  void writeEndModel(FILE *pdbfile);
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif
  
  
  