ref: 83ba2e41de541d8896e5ae39c8d0f4d29aaf9426
dir: /sys/src/ape/lib/ap/arm64/_seek.c/
extern long __SEEK(long long*, int, long long, int);
long long
_SEEK(int fd, long long o, int p)
{
long long l;
if(__SEEK(&l, fd, o, p) < 0)
l = -1;
return l;
}