DTRACEOPT_BUFPOLICY_SWITCH
case DTRACEOPT_BUFPOLICY_SWITCH:
{ "switch", DTRACEOPT_BUFPOLICY_SWITCH },
policy != DTRACEOPT_BUFPOLICY_SWITCH) {
if (policy != DTRACEOPT_BUFPOLICY_SWITCH &&
opt[DTRACEOPT_BUFPOLICY] = DTRACEOPT_BUFPOLICY_SWITCH;