u8_strncmp 618 maint/gnulib/lib/unistr.in.h u8_strncmp (const uint8_t *s1, const uint8_t *s2, size_t n) u8_strncmp 26 maint/gnulib/tests/unistr/test-u8-strncmp.c #define U_STRNCMP u8_strncmp