pub type gnrc_sock_reg_cb_t = Option<unsafe extern "C" fn(sock: *mut gnrc_sock_reg_t, flags: sock_async_flags_t, arg: *mut c_void)>;
Expand description
@brief Event callback for @ref gnrc_sock_reg_t @internal
Aliased Type§
enum gnrc_sock_reg_cb_t {
None,
Some(unsafe extern "C" fn(_: *mut gnrc_sock_reg, _: u8, _: *mut c_void)),
}
Variants§
None
No value.
Some(unsafe extern "C" fn(_: *mut gnrc_sock_reg, _: u8, _: *mut c_void))
Some value of type T
.
Layout§
Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...)
attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.
Size: 4 bytes
Size for each variant:
None
: 0 bytesSome
: 4 bytes