pub unsafe extern "C" fn dsbmv_(
uplo: *const bla_character,
n: *const bla_integer,
k: *const bla_integer,
alpha: *const bla_double,
a: *const bla_double,
lda: *const bla_integer,
x: *const bla_double,
incx: *const bla_integer,
beta: *const bla_double,
y: *mut bla_double,
incy: *const bla_integer,
) -> c_int