Function zgemm_

pub unsafe extern "C" fn zgemm_(
    transa: *const c_char,
    transb: *const c_char,
    m: *const c_int,
    n: *const c_int,
    k: *const c_int,
    alpha: *const c_double_complex,
    a: *const c_double_complex,
    lda: *const c_int,
    b: *const c_double_complex,
    ldb: *const c_int,
    beta: *const c_double_complex,
    c: *mut c_double_complex,
    ldc: *const c_int,
)