u8_strncpy        550 maint/gnulib/lib/unistr.in.h        u8_strncpy (uint8_t *_UC_RESTRICT dest, const uint8_t *src, size_t n);
u8_strncpy         29 maint/gnulib/tests/unistr/test-u8-strncpy.c #define U_STRNCPY u8_strncpy