Type Alias playdate_sys::ffi::json_readFunc
source · pub type json_readFunc = Option<unsafe extern "C" fn(userdata: *mut c_void, buf: *mut u8, bufsize: c_int) -> c_int>;
Aliased Type§
enum json_readFunc {
None,
Some(unsafe extern "C" fn(_: *mut c_void, _: *mut u8, _: i32) -> i32),
}
Variants§
None
No value.
Some(unsafe extern "C" fn(_: *mut c_void, _: *mut u8, _: i32) -> i32)
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