csycon(3) on Linux
The text 99d69752e036, as Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
estimate the reciprocal of the condition number (in the 1-norm) of a complex symmetric matrix A using the factorization A = U*D*U**T or A = L*D*L**T computed by CSYTRF