Type Alias dfprintv_ex_ft

pub type dfprintv_ex_ft = Option<unsafe extern "C" fn(file: *mut FILE, s1: *mut c_char, n: dim_t, x: *mut f64, incx: inc_t, format: *mut c_char, s2: *mut c_char)>;

Aliased Type

enum dfprintv_ex_ft {
    None,
    Some(unsafe extern "C" fn(_: *mut _IO_FILE, _: *mut i8, _: i64, _: *mut f64, _: i64, _: *mut i8, _: *mut i8)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: *mut _IO_FILE, _: *mut i8, _: i64, _: *mut f64, _: i64, _: *mut i8, _: *mut i8))

Some value of type T.