approx_sqrt_SIZE_MAX  259 maint/gnulib/lib/striconv.c     size_t approx_sqrt_SIZE_MAX = SIZE_MAX >> (sizeof (size_t) * CHAR_BIT / 2);
approx_sqrt_SIZE_MAX  260 maint/gnulib/lib/striconv.c     if (result_size <= approx_sqrt_SIZE_MAX / MB_LEN_MAX)