str_len.c

   1 #include "str.h"
   2
   3 unsigned int str_len(const char *s)
   4 {
   5   register const char *t;
   6
   7   t = s;
   8   for (;;) {
   9     if (!*t) return t - s; ++t;
  10     if (!*t) return t - s; ++t;
  11     if (!*t) return t - s; ++t;
  12     if (!*t) return t - s; ++t;
  13   }
  14 }