first_uc           42 maint/gnulib/lib/unistr/u-strstr.h     ucs4_t first_uc;
first_uc           43 maint/gnulib/lib/unistr/u-strstr.h     int count = U_STRMBTOUC (&first_uc, needle);
first_uc           45 maint/gnulib/lib/unistr/u-strstr.h       return U_STRCHR (haystack, first_uc);