ldapssl_enable_clientauth()

#include <ldap_ssl.h>
int ldapssl_enable_clientauth( LDAP *ld, char *keynickname, 
   char *keypasswd, char *certnickname );

ld	Connection handle, which is a pointer to an `LDAP` structure containing information about the connection to the LDAP server.
keynickname	This parameter is not currently used. Pass an empty string ("") for this value.
keypasswd	Password to the encrypted private key database.
certnickname	Nickname of the certificate that you want to use for client authentication.