pub unsafe extern fn cgtsvx_(fact: *const c_char, trans: *const c_char, n: *const c_int, nrhs: *const c_int, dl: *const c_float_complex, d: *const c_float_complex, du: *const c_float_complex, dlf: *mut c_float_complex, df: *mut c_float_complex, duf: *mut c_float_complex, du2: *mut c_float_complex, ipiv: *mut c_int, b: *const c_float_complex, ldb: *const c_int, x: *mut c_float_complex, ldx: *const c_int, rcond: *mut c_float, ferr: *mut c_float, berr: *mut c_float, work: *mut c_float_complex, rwork: *mut c_float, info: *mut c_int)