carta

copysign(3) on Linux

The text 4ef76b72ae6b, as Debian 2.2 (Potato), Debian 2.1 (Slink), Debian 2.0 (Hamm), Debian 1.3 (Bo), Debian 1.2 (Rex), Debian 1.1 (Buzz) shipped it.

copy sign of a number

copysign(3) on Linux now