[PATCH v2] Implement C23 const-preserving standard library macros

[Collin Funk]

Collin Funk <collin.funk1@gmail.com> writes:

> [1] https://codesearch.debian.net/search?q=strchr%28%2B%2B&literal=1

Oops, typo. This is correct:

   https://codesearch.debian.net/search?q=strstr%28%2B%2B&literal=1

Collin