Plan 9 from Bell Labs’s /usr/web/sources/contrib/anothy/src/lib/djb-ape/byte/str_len.c

Copyright © 2021 Plan 9 Foundation.
Distributed under the MIT License.
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#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;
  }
}

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