to #include <sys/types.h>.
p4raw-id: //depot/cfgperl@2294
for ENUM in MSG_CTRUNC MSG_DONTROUTE MSG_OOB MSG_PEEK MSG_PROXY SCM_RIGHTS; do
enum=`$echo $ENUM|./tr '[A-Z]' '[a-z]'`
$cat >try.c <<EOF
+#include <sys/types.h>
#include <sys/socket.h>
int main() {
int i = $ENUM;