char *sprintf2(char *format, ...);
char *sprintf3(char *format, ...);
off_t atoo(char *n);
+char **tokenize(char *src);
+void freeca(char **ca);
+int calen(char **a);
+void bvprintf(struct charbuf *buf, char *format, va_list al);
+void bprintf(struct charbuf *buf, char *format, ...);
#endif