lldiv_t
lldiv_t lldiv(long long int, long long int);
lldiv_t
lldiv_t r;
typedef struct { long long quot; long long rem; } lldiv_t;
__value_in_regs lldiv_t __aeabi_ldivmod(long long n, long long d); // signed long long division and remainder, {q, r} = n / d [2]
lldiv_t lld;