void bar_replace(char *, char *, struct swm_region *, size_t);
void bar_replace_pad(char *, int *, size_t);
char * bar_replace_seq(char *, char *, struct swm_region *, size_t *,
void bar_replace(char *, char *, struct swm_region *, size_t);
void bar_replace_pad(char *, int *, size_t);
char * bar_replace_seq(char *, char *, struct swm_region *, size_t *,