firestring_estr_aestrcpy(3) on Linux
The text bd4e5af2f380, as Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it. The page shows this text now.
copy an estring into another estring, expanding the destination if necessary