or download this
$ grep sendmsg */*.ph
sys/socket.ph: eval 'sub sendmsg () { &nsendmsg;}' unless
+ defined(&sendmsg);
...
sys/trchkid.ph: eval 'sub hkwd_nsendmsg_out2 () {363;}' unless defi
+ned(&hkwd_nsendmsg_out2);
sys/trchkid.ph: eval 'sub hkwd_nsendmsg_out3 () {364;}' unless defi
+ned(&hkwd_nsendmsg_out3);
sys/trchkid.ph: eval 'sub hkwd_nsendmsg_out4 () {365;}' unless defi
+ned(&hkwd_nsendmsg_out4);