Type Alias nix_get_string_callback

pub type nix_get_string_callback = Option<unsafe extern "C" fn(start: *const c_char, n: c_uint, user_data: *mut c_void)>;

Called to get the value of a string owned by Nix.

Arguments

• start [in] - the string to copy.
• n [in] - the string length.
• user_data [in] - optional, arbitrary data, passed to the nix_get_string_callback when it’s called.

Aliased Type

enum nix_get_string_callback {
    None,
    Some(unsafe extern "C" fn(_: *const i8, _: u32, _: *mut c_void)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: *const i8, _: u32, _: *mut c_void))

Some value of type T.