Function mcl_task_set_kernel 

pub unsafe extern "C" fn mcl_task_set_kernel(
    hdl: *mut mcl_handle,
    kname: *mut c_char,
    nargs: u64,
) -> c_int

@brief Initialize a task to run the specified kernel @ingroup General

@param hdl Handle associated with task @param kname The name of the kernel @param nargs Number of arguments @return int 0 on success