pub unsafe extern "C" fn dgtrfs_(
trans: *const c_char,
n: *const c_int,
nrhs: *const c_int,
dl: *mut c_double,
d: *mut c_double,
du: *mut c_double,
dlf: *mut c_double,
Rf_df: *mut c_double,
duf: *mut c_double,
du2: *mut c_double,
ipiv: *mut c_int,
b: *mut c_double,
ldb: *const c_int,
x: *mut c_double,
ldx: *const c_int,
ferr: *mut c_double,
berr: *mut c_double,
work: *mut c_double,
iwork: *mut c_int,
info: *mut c_int,
)