Still compile and run after all these years, just do ...

[kwccoin]

1. comment out all those compile time under SimplePing.h many check_compile_time()
2. Something changed in PingMenu-Info.plist not sure what (auto by Xcode)

There are some warning but it run:
a. unsigned int seq = NSNotFound;
warning : "Implicit conversion from 'const NSInteger' (aka 'const long') to 'unsigned int' changes value from 9223372036854775807 to 4294967295"

b. const ICMPHeader * icmpPtr;
warning: "Code will never be executed"

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Still finding the 5 sec request etc. Change the target OS to 10.9 and modify the screen with the freq. But need to do a lot more and stop for the moment.