blas_sys::zgbmv_

pub unsafe extern fn zgbmv_(trans: *const c_char, m: *const c_int, n: *const c_int, kl: *const c_int, ku: *const c_int, alpha: *const c_double_complex, a: *const c_double_complex, lda: *const c_int, x: *const c_double_complex, incx: *const c_int, beta: *const c_double_complex, y: *mut c_double_complex, incy: *const c_int)