-/* infofn.c */
-int infofn(unsigned int *attrib, long int *filesize, TIMEDATE *td);
-/* irand.c */
-unsigned int irand(unsigned int n);
-/* itostr.c */
-int itostr(int n, char str[], int size);
-/* ltostr.c */
-int ltostr(long val, char *cp, int base);
-/* makefnam.c */
-int makefnam(const char *rawfn, const char *template_str, char *result);
-int getfnam(const char fullname[], char pathname[], char filename[]);
-int getexten(const char *fullname, char *exten);
-int validfn(const char filename[]);
-/* putdec.c */
-void putdec(const int n, int w, FILE *fd_out);
-/* s_clip.c */
-char *str_clip_tail(char *str, unsigned int nclip);
-/* s_esc.c */
-char *str_conv_esc(const char *from, char *to);
-/* s_esc_c.c */
-char *s_esc_char(const char *str, char *c);
-/* s_get.c */
-unsigned int str_get_last_char(const char *str);