pub unsafe extern "C" fn zhseqr_(
job: *mut c_char,
compz: *mut c_char,
n: *mut c_int,
ilo: *mut c_int,
ihi: *mut c_int,
h: *mut Rcomplex,
ldh: *mut c_int,
w: *mut Rcomplex,
z: *mut Rcomplex,
ldz: *mut c_int,
work: *mut Rcomplex,
lwork: *mut c_int,
info: *mut c_int,
)