/* close_down.c */
int close_down(void);
/* fft.c */
int fft(int, double *[2], int, int, int);
/* gauss.c */
float gauss(int);
/* interface.c */
int interface(int, char *[]);
/* max_pow.c */
int max_pow2(int);
/* open_files.c */
int open_files(void);
/* process.c */
int process(void);
int data_reset(double *[2], int);
/* rand1.c */
float rand1(int);
/* spec_syn.c */
int specsyn(double *[2], int);
/* write_rast.c */
int write_rast(double *[2], int, int);
/* del2g.c */
int del2g(double *[2], int, double);
/* getg.c */
int getg(double, double *[2], int);