pub unsafe extern fn zcposv_(uplo: *const c_char, n: *const lapack_int, nrhs: *const lapack_int, a: *mut lapack_complex_double, lda: *const lapack_int, b: *const lapack_complex_double, ldb: *const lapack_int, x: *mut lapack_complex_double, ldx: *const lapack_int, work: *mut lapack_complex_double, swork: *mut lapack_complex_float, rwork: *mut c_double, iter: *mut lapack_int, info: *mut lapack_int)