text: /* See LICENSE file for copyright and license details. */
  #include <stdint.h>
  #include <stddef.h>
  
  extern char buf[1024];
  
  #define LEN(x) (sizeof (x) / sizeof *(x))
  
  extern char *argv0;
  
  void warn(const char *, ...);
  void die(const char *, ...);
  
  int esnprintf(char *str, size_t size, const char *fmt, ...);
  const char *bprintf(const char *fmt, ...);
  const char *fmt_human(uintmax_t num, int base);
  int pscanf(const char *path, const char *fmt, ...);
  