[Pharo-users] UFFI code problem

i am trying UFFI code the code is : FFICContantExamples class>>absMinusFortyTwo ^ self ffiCall: #( int abs ( TheAnswer ) ) module: LibC but it shows error. how to solve this ? <http://forum.world.st/file/t372453/Capture.png> -- Sent from: http://forum.world.st/Pharo-Smalltalk-Users-f1310670.html