Function sunrise_libuser::syscalls::syscall

unsafe fn syscall(
    nr: usize, 
    arg1: usize, 
    arg2: usize, 
    arg3: usize, 
    arg4: usize, 
    arg5: usize, 
    arg6: usize
) -> Result<(usize, usize, usize, usize), KernelError>

Generic syscall function.