int st_compare_pad (const char *, size_t, const char *, size_t);
char *st_spaces (int);
void st_bare_pad_copy (char *dest, const char *src, size_t n);
void st_bare_pad_len_copy (char *dest, const char *src, size_t n, size_t len);
void st_pad_copy (char *dest, const char *src, size_t n);
int st_compare_pad (const char *, size_t, const char *, size_t);
char *st_spaces (int);
void st_bare_pad_copy (char *dest, const char *src, size_t n);
void st_bare_pad_len_copy (char *dest, const char *src, size_t n, size_t len);
void st_pad_copy (char *dest, const char *src, size_t n);