lapack_sys::ctgexc_

pub unsafe extern fn ctgexc_(wantq: *mut c_int, wantz: *mut c_int, n: *mut c_int, a: *mut c_void, lda: *mut c_int, b: *mut c_void, ldb: *mut c_int, q: *mut c_void, ldq: *mut c_int, z: *mut c_void, ldz: *mut c_int, ifst: *mut c_int, ilst: *mut c_int, info: *mut c_int)