u16_strcat        571 maint/gnulib/lib/unistr.in.h        u16_strcat (uint16_t *_UC_RESTRICT dest, const uint16_t *src);
u16_strcat         31 maint/gnulib/lib/unistr/u16-strcat.c #define FUNC u16_strcat
u16_strcat         26 maint/gnulib/tests/unistr/test-u16-strcat.c #define U_STRCAT u16_strcat