regex_quote_copy  213 maint/gnulib/lib/regex-quote.c   p = regex_quote_copy (p, string, spec);
regex_quote_copy   80 maint/gnulib/lib/regex-quote.h        regex_quote_copy (char *restrict p,
regex_quote_copy   45 maint/gnulib/tests/test-regex-quote.c   strcpy (regex_quote_copy (result + 1, literal, &spec), "$");