cpg_zcb_alloc(3) on Linux

The text 2ddd8093737b, as Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it.

Allocates a zero copy buffer #include <corosync/cpg.h> int cpg_zcb_alloc(cpg_handle_t handle, size_t size, void **buffer);