Connect to an ssh-agent
#include <libssh2.h>
int libssh2_agent_connect(LIBSSH2_AGENT *agent);
Connect to an ssh-agent running on the system.
Call libssh2_agent_disconnect(3) to close the connection after you're doing using it.
Returns 0 if succeeded, or a negative value for error.
Added in libssh2 1.2