pub unsafe extern "C" fn zgbsv_(
n: *const lapack_int,
kl: *const lapack_int,
ku: *const lapack_int,
nrhs: *const lapack_int,
ab: *mut lapack_complex_double,
ldab: *const lapack_int,
ipiv: *mut lapack_int,
b: *mut lapack_complex_double,
ldb: *const lapack_int,
info: *mut lapack_int,
)