1 char *put_int(char *s
, int n
, int w
);
2 char *put_intz(char *s
, int n
, int w
);
3 char *put_str(char *dst
, char *src
);
4 char *put_mem(char *dst
, char *src
, int len
);
5 char *cut_word(char *dst
, char *s
);
6 int startswith(char *r
, char *s
);