extern int isomeshfile(float ***level, int lx, int ly, int lz, double cut_level, FILE *fptr, int quattro); void nrerror(char error_text[]); int echo_ifetch(char *name_variable, int def_val, char *message); double echo_dfetch(char *name_variable, double def_val, char *message); void callisofile(float ***level, int nx, int ny, int nz); /*, double *pcut_level); */ void inigetflc(int np, float *c, char *filename, int ismerged); void expand(float ***cx4, float *flc, int nx, int ny, int nz); void v5dconv_(double *c, int *nx, int *ny, int *nz, int *t); void OutputIsolated(float ***level, int lx, int ly, int lz);