str_len.c


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/* Public domain. */

#include "str.h"

unsigned int str_len(const char *s)
{
  register const char *t;

  t = s;
  for (;;) {
    if (!*t) return t - s;
    ++t;
    if (!*t) return t - s;
    ++t;
    if (!*t) return t - s;
    ++t;
    if (!*t) return t - s;
    ++t;
  }
}