__div64_32
static inline uint32_t __div64_32(uint64_t *n, uint32_t base)
#define __div64_32 __div64_32
#define __div64_32 __div64_32
#define __div64_32(n, base) ({ \
uint32_t __div64_32(u64 *xp, u32 y)
#define __div64_32
uint32_t __attribute__((weak)) __div64_32(uint64_t *n, uint32_t base)
#undef __div64_32
#define __div64_32 __div64_32