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);