#ifdef SCV_RDR_C                                                              
#if defined(__STDC__) || defined(__cplusplus)                                 
# define P_(s) s                                                              
#else                                                                         
# define P_(s) ()                                                             
#endif                                                                        
                                                                              
int vhf_read P_((FILE *f, sfdu *psf1, sfdu *psf2,                             
             keyval_t **pkv2, sfdu *psf4, keyval_t **pkv4));                  
int hdr_read P_((FILE *f, sfdu *psf1, sfdu *psf2,                             
             keyval_t **pkv2, sfdu *psf3, char *phdr, sfdu *psf4              
             keyval_t **pkv4));                                               
int anf_allocn P_((nr_rec *nr, int n, nh_rec *pnh));                          
int anf_readn P_((FILE *f, nr_rec *nr, int n));                               
int anf_freen P_((nr_rec *nr, int n));                                        
int nff_allocn P_((fr_rec *fr, int n, fh_rec *pfh));                          
int nff_readn P_((FILE *f, fr_rec *fr, int n));                               
int nff_freen P_((fr_rec *fr, int n));                                        
int sif_oif_allocn P_((ir_rec *ir, int n, ih_rec *pih));                      
int sif_oif_readn P_((FILE *f, ir_rec *ir, int n));                           
int sif_oif_freen P_((ir_rec *ir, int n));                                    
int edf_readn P_((FILE *f, er_rec *er, int n));                               
int gmf_allocn P_((gr_rec *gr, int n, gh_rec *pgh));                          
int gmf_readn P_((FILE *f, gr_rec *gr, int n));                               
int gmf_freen P_((gr_rec *gr, int n));                                        
                                                                              
#undef P_                                                                     
#else                                                                         
#if defined(__STDC__) || defined(__cplusplus)                                 
# define P_(s) s                                                              
#else                                                                         
# define P_(s) ()                                                             
#endif                                                                        
                                                                              
extern int vhf_read P_((FILE *f, sfdu *psf1, sfdu *psf2,                      
                    keyval_t **pkv2, sfdu *psf4, keyval_t **pkv4));           
extern int hdr_read P_((FILE *f, sfdu *psf1, sfdu *psf2,                      
                    keyval_t **pkv2, sfdu *psf3, char *phdr,                  
                    sfdu *psf4, keyval_t **pkv4));                            
extern int anf_allocn P_((nr_rec *nr, int n, nh_rec *pnh));                   
extern int anf_readn P_((FILE *f, nr_rec *nr, int n));                        
extern int anf_freen P_((nr_rec *nr, int n));                                 
extern int nff_allocn P_((fr_rec *fr, int n, fh_rec *pfh));                   
extern int nff_readn P_((FILE *f, fr_rec *fr, int n));                        
extern int nff_freen P_((fr_rec *fr, int n));                                 
extern int sif_oif_allocn P_((ir_rec *ir, int n, ih_rec *pih));               
extern int sif_oif_readn P_((FILE *f, ir_rec *ir, int n));                    
extern int sif_oif_freen P_((ir_rec *ir, int n));                             
extern int edf_readn P_((FILE *f, er_rec *er, int n));                        
extern int gmf_allocn P_((gr_rec *gr, int n, gh_rec *pgh));                   
extern int gmf_readn P_((FILE *f, gr_rec *gr, int n));                        
extern int gmf_freen P_((gr_rec *gr, int n));                                 
                                                                              
#undef P_                                                                     
#endif