int base_uppercase; /* Start of upper-case ordinals */
} chrmaptab, *CHRMAPTAB;
-chrmaptab *chr_read_maptab(char *name);
+chrmaptab *chr_read_maptab(const char *tabpath, const char *name);
int chr_map_chrs(chr_t_entry *t, char **from, int len, int *read, char **to,
int max);
char **chr_map_input(chr_t_entry *t, char **from, int len);