Function IOConnectCallMethod 

pub unsafe extern "C-unwind" fn IOConnectCallMethod(
    connection: mach_port_t,
    selector: u32,
    input: *const u64,
    input_cnt: u32,
    input_struct: *const c_void,
    input_struct_cnt: usize,
    output: *mut u64,
    output_cnt: *mut u32,
    output_struct: *mut c_void,
    output_struct_cnt: *mut usize,
) -> kern_return_t

Available on crate feature libc only.

Safety

• input must be a valid pointer.
• input_struct must be a valid pointer.
• output must be a valid pointer.
• output_cnt must be a valid pointer.
• output_struct must be a valid pointer.
• output_struct_cnt must be a valid pointer.