kcm_op2string
client->pid, kcm_op2string(opcode), ccache->name);
kcm_op2string (kcm_operation /*opcode*/);
kcm_op2string(_opcode), (_client)->pid, (_client)->uid); \
kcm_op2string(_opcode), (_name), (_client)->pid, (_client)->uid); \
client->pid, kcm_op2string(opcode));