pub unsafe extern fn ctgsna_(__job: *mut c_char, __howmny: *mut c_char, __select: *mut __CLPK_logical, __n: *mut __CLPK_integer, __a: *mut __CLPK_complex, __lda: *mut __CLPK_integer, __b: *mut __CLPK_complex, __ldb: *mut __CLPK_integer, __vl: *mut __CLPK_complex, __ldvl: *mut __CLPK_integer, __vr: *mut __CLPK_complex, __ldvr: *mut __CLPK_integer, __s: *mut __CLPK_real, __dif: *mut __CLPK_real, __mm: *mut __CLPK_integer, __m: *mut __CLPK_integer, __work: *mut __CLPK_complex, __lwork: *mut __CLPK_integer, __iwork: *mut __CLPK_integer, __info: *mut __CLPK_integer) -> c_int