Function blas_sys::fortran::sgbmv_

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