Add callback specs to tftp module following internet documentation
Add callback specs to tftp module following internet documentation

vic/otp,marquisthunder/otp,derek121/otp,jamesruan/otp,beni55/otp,emile/otp,potatosalad/otp,GinjaNinja32/otp,benoitc/otp-1,stolen/otp,cnbin/otp,isvilen/otp,vladdu/otp,derek121/otp,RaimoNiskanen/otp,mujiatong/otp,lrascao/otp,potatosalad/otp,dgud/otp,Teino1978-Corp/erlang-otp,isvilen/otp,GinjaNinja32/otp,theom/otp,lightcyphers/otp,palas/otp,cnbin/otp,neeraj9/otp,vic/otp,lemenkov/otp,RJ/otp,legoscia/otp,msantos/otp,ader1990/otp,c-rack/otp,paladim/otp,cnbin/otp,vic/otp,derek121/otp,lianghaivv/otp,sdebnath/otp,paulcager/otp,dgud/otp,c-rack/otp,RJ/otp,vinoski/otp,beni55/otp,c-rack/otp,massemanet/otp,saleyn/otp,lianghaivv/otp,erlang/otp,release-project/otp,electricimp/otp,c-rack/otp,bjorng/otp,riverrun/otp,klarna/otp,basho/otp,RoadRunnr/otp,fenollp/otp,erlang/otp,basho/otp,hairyhum/otp,enikki/otp,bugs-erlang-org/otp,erlang/otp,stolen/otp,GinjaNinja32/otp,RJ/otp,Teino1978-Corp/otp,ferd/otp,massemanet/otp,RGafiyatullin/otp,emacsmirror/erlang,mikpe/otp,rlipscombe/otp,electricimp/otp,RaimoNiskanen/otp,getong/otp,cnbin/otp,lrascao/otp,falkevik/otp,marquisthunder/otp,VincentHHL/otp,tuncer/otp,vladdu/otp,sdebnath/otp,vic/otp,neeraj9/otp,falkevik/otp,lightcyphers/otp,sdebnath/otp,GinjaNinja32/otp,bsmr-erlang/otp,VincentHHL/otp,ahmedshafeeq/otp,release-project/otp,marquisthunder/otp,goertzenator/otp,haguenau/otp,derek121/otp,vladdu/otp,jinshana/otp,bjorng/otp,jj1bdx/otp,potatosalad/otp,sdebnath/otp,VincentHHL/otp,VincentHHL/otp,legoscia/otp,RichMorin/otp,yangchengjian/otp,saleyn/otp,aboroska/otp,RaimoNiskanen/otp,marquisthunder/otp,schlagert/otp,sitexa/otp,gjaldon/otp,emacsmirror/erlang,jamesruan/otp,bugs-erlang-org/otp,jemsbhai/otp,gjaldon/otp,benoitc/otp-1,platinumthinker/otp,stolen/otp,schlagert/otp,cobusc/otp,potatosalad/otp,mikpe/otp,gjaldon/otp,stolen/otp,GinjaNinja32/otp,RichMorin/otp,sammoth-wazoku/otp,potatosalad/otp,RaimoNiskanen/otp,matwey/otp,schlagert/otp,lucafavatella/otp,lrascao/otp,sdebnath/otp,jemsbhai/otp,dumbbell/otp,jinshana/otp,theom/otp,bugs-erlang-org/otp,johanclaesson/otp,riverrun/otp,msantos/otp,NOMORECOFFEE/otp,mikpe/otp,potatosalad/otp,haguenau/otp,vladdu/otp,sitexa/otp,electricimp/otp,johanclaesson/otp,awetzel/otp,ader1990/otp,rlipscombe/otp,hairyhum/otp,emacsmirror/erlang,falkevik/otp,g-andrade/otp,Teino1978-Corp/erlang-otp,mujiatong/otp,RoadRunnr/otp,cobusc/otp,fenollp/otp,cobusc/otp,lianghaivv/otp,kvakvs/otp,saleyn/otp,cobusc/otp,sammoth-wazoku/otp,tuncer/otp,emile/otp,RaimoNiskanen/otp,massemanet/otp,sammoth-wazoku/otp,isvilen/otp,paladim/otp,goertzenator/otp,bsmr-erlang/otp,lucafavatella/otp,ferd/otp,isvilen/otp,emacsmirror/erlang,VincentHHL/otp,goertzenator/otp,getong/otp,entropiae/otp,RGafiyatullin/otp,dgud/otp,cnbin/otp,jj1bdx/otp,sdebnath/otp,basho/otp,electricimp/otp,stolen/otp,RaimoNiskanen/otp,schlagert/otp,isvilen/otp,theom/otp,awetzel/otp,matwey/otp,mujiatong/otp,entropiae/otp,dumbbell/otp,bernardd/otp,emile/otp,emile/otp,RGafiyatullin/otp,getong/otp,jj1bdx/otp,rlipscombe/otp,getong/otp,weisslj/otp,derek121/otp,basho/otp,johanclaesson/otp,platinumthinker/otp,massemanet/otp,dgud/otp,RGafiyatullin/otp,legoscia/otp,uabboli/otp,basho/otp,RGafiyatullin/otp,vic/otp,electricimp/otp,paladim/otp,haguenau/otp,cnbin/otp,lucafavatella/otp,RJ/otp,bsmr-erlang/otp,jinshana/otp,isvilen/otp,dumbbell/otp,enikki/otp,kvakvs/otp,yangchengjian/otp,rlipscombe/otp,lantti/otp,erlang/otp,sitexa/otp,derek121/otp,fenollp/otp,jemsbhai/otp,mujiatong/otp,erlang/otp,riverrun/otp,ader1990/otp,msantos/otp,krishnakumar4a4/otp,klarna/otp,johanclaesson/otp,sdebnath/otp,paulcager/otp,palas/otp,lemenkov/otp,massemanet/otp,vinoski/otp,saleyn/otp,marquisthunder/otp,platinumthinker/otp,marquisthunder/otp,NOMORECOFFEE/otp,legoscia/otp,lantti/otp,riverrun/otp,GinjaNinja32/otp,uabboli/otp,isvilen/otp,emile/otp,rlipscombe/otp,entropiae/otp,vinoski/otp,cnbin/otp,theom/otp,aboroska/otp,platinumthinker/otp,vic/otp,mikpe/otp,fenollp/otp,vic/otp,falkevik/otp,emacsmirror/erlang,ferd/otp,jemsbhai/otp,massemanet/otp,falkevik/otp,klarna/otp,theom/otp,ferd/otp,isvilen/otp,GinjaNinja32/otp,getong/otp,vinoski/otp,potatosalad/otp,johanclaesson/otp,bernardd/otp,palas/otp,krishnakumar4a4/otp,g-andrade/otp,awetzel/otp,hairyhum/otp,Teino1978-Corp/otp,mikpe/otp,goertzenator/otp,palas/otp,schlagert/otp,lhslll/otp,lightcyphers/otp,vladdu/otp,electricimp/otp,vladdu/otp,paladim/otp,krishnakumar4a4/otp,jinshana/otp,krishnakumar4a4/otp,paulcager/otp,uabboli/otp,tuncer/otp,kvakvs/otp,c-rack/otp,riverrun/otp,RichMorin/otp,g-andrade/otp,lucafavatella/otp,vladdu/otp,ahmedshafeeq/otp,lianghaivv/otp,yangchengjian/otp,weisslj/otp,erlang/otp,paulcager/otp,aboroska/otp,entropiae/otp,lrascao/otp,bjorng/otp,RaimoNiskanen/otp,ader1990/otp,schlagert/otp,g-andrade/otp,bjorng/otp,enikki/otp,ahmedshafeeq/otp,palas/otp,ahmedshafeeq/otp,dumbbell/otp,NOMORECOFFEE/otp,kvakvs/otp,haguenau/otp,paladim/otp,jinshana/otp,klarna/otp,bsmr-erlang/otp,yangchengjian/otp,matwey/otp,benoitc/otp-1,RJ/otp,bjorng/otp,paladim/otp,getong/otp,ferd/otp,RoadRunnr/otp,entropiae/otp,saleyn/otp,matwey/otp,saleyn/otp,beni55/otp,lantti/otp,enikki/otp,tuncer/otp,jinshana/otp,lemenkov/otp,emile/otp,theom/otp,bugs-erlang-org/otp,Teino1978-Corp/otp,cobusc/otp,uabboli/otp,psyeugenic/otp,bugs-erlang-org/otp,dumbbell/otp,kvakvs/otp,sdebnath/otp,cobusc/otp,fenollp/otp,legoscia/otp,paulcager/otp,enikki/otp,legoscia/otp,gjaldon/otp,sammoth-wazoku/otp,lhslll/otp,cobusc/otp,getong/otp,haguenau/otp,sitexa/otp,gjaldon/otp,klarna/otp,g-andrade/otp,Teino1978-Corp/otp,lantti/otp,entropiae/otp,dgud/otp,marquisthunder/otp,kvakvs/otp,bugs-erlang-org/otp,bjorng/otp,lrascao/otp,lightcyphers/otp,RichMorin/otp,lianghaivv/otp,sammoth-wazoku/otp,vinoski/otp,cnbin/otp,msantos/otp,hairyhum/otp,VincentHHL/otp,awetzel/otp,tuncer/otp,matwey/otp,theom/otp,dgud/otp,weisslj/otp,lemenkov/otp,uabboli/otp,krishnakumar4a4/otp,tuncer/otp,awetzel/otp,saleyn/otp,ahmedshafeeq/otp,mujiatong/otp,massemanet/otp,paladim/otp,matwey/otp,lrascao/otp,psyeugenic/otp,neeraj9/otp,emile/otp,psyeugenic/otp,emacsmirror/erlang,potatosalad/otp,weisslj/otp,sitexa/otp,ader1990/otp,johanclaesson/otp,RGafiyatullin/otp,g-andrade/otp,electricimp/otp,bsmr-erlang/otp,beni55/otp,g-andrade/otp,neeraj9/otp,hairyhum/otp,g-andrade/otp,yangchengjian/otp,ahmedshafeeq/otp,RJ/otp,Teino1978-Corp/erlang-otp,rlipscombe/otp,vinoski/otp,jamesruan/otp,platinumthinker/otp,lucafavatella/otp,emacsmirror/erlang,lrascao/otp,mikpe/otp,bjorng/otp,rlipscombe/otp,jemsbhai/otp,goertzenator/otp,dgud/otp,NOMORECOFFEE/otp,neeraj9/otp,dgud/otp,Teino1978-Corp/otp,haguenau/otp,emacsmirror/erlang,entropiae/otp,vinoski/otp,palas/otp,neeraj9/otp,release-project/otp,klarna/otp,Teino1978-Corp/erlang-otp,awetzel/otp,stolen/otp,paulcager/otp,aboroska/otp,palas/otp,goertzenator/otp,psyeugenic/otp,lrascao/otp,erlang/otp,bernardd/otp,RichMorin/otp,riverrun/otp,ferd/otp,uabboli/otp,jamesruan/otp,lemenkov/otp,GinjaNinja32/otp,weisslj/otp,dumbbell/otp,NOMORECOFFEE/otp,gjaldon/otp,lightcyphers/otp,uabboli/otp,beni55/otp,falkevik/otp,ahmedshafeeq/otp,johanclaesson/otp,mikpe/otp,platinumthinker/otp,lucafavatella/otp,aboroska/otp,lhslll/otp,jj1bdx/otp,bsmr-erlang/otp,Teino1978-Corp/erlang-otp,erlang/otp,matwey/otp,vinoski/otp,falkevik/otp,g-andrade/otp,klarna/otp,enikki/otp,ader1990/otp,psyeugenic/otp,VincentHHL/otp,electricimp/otp,jj1bdx/otp,potatosalad/otp,mikpe/otp,jemsbhai/otp,haguenau/otp,jj1bdx/otp,RJ/otp,theom/otp,vladdu/otp,sitexa/otp,release-project/otp,saleyn/otp,mujiatong/otp,paladim/otp,kvakvs/otp,electricimp/otp,jj1bdx/otp,fenollp/otp,lhslll/otp,beni55/otp,ahmedshafeeq/otp,stolen/otp,lucafavatella/otp,derek121/otp,yangchengjian/otp,ferd/otp,mujiatong/otp,lightcyphers/otp,erlang/otp,krishnakumar4a4/otp,tuncer/otp,jj1bdx/otp,yangchengjian/otp,release-project/otp,lucafavatella/otp,bsmr-erlang/otp,bjorng/otp,sammoth-wazoku/otp,emile/otp,RichMorin/otp,VincentHHL/otp,rlipscombe/otp,dumbbell/otp,marquisthunder/otp,msantos/otp,emile/otp,riverrun/otp,RoadRunnr/otp,benoitc/otp-1,weisslj/otp,dgud/otp,platinumthinker/otp,vladdu/otp,ferd/otp,uabboli/otp,hairyhum/otp,bernardd/otp,bsmr-erlang/otp,aboroska/otp,stolen/otp,ferd/otp,krishnakumar4a4/otp,aboroska/otp,msantos/otp,lhslll/otp,matwey/otp,getong/otp,paulcager/otp,erlang/otp,awetzel/otp,falkevik/otp,jamesruan/otp,msantos/otp,dgud/otp,schlagert/otp,kvakvs/otp,entropiae/otp,lhslll/otp,fenollp/otp,RGafiyatullin/otp,lightcyphers/otp,weisslj/otp,bugs-erlang-org/otp,benoitc/otp-1,klarna/otp,lantti/otp,getong/otp,jamesruan/otp,isvilen/otp,mikpe/otp,krishnakumar4a4/otp,Teino1978-Corp/erlang-otp,saleyn/otp,getong/otp,matwey/otp,bugs-erlang-org/otp,neeraj9/otp,hairyhum/otp,massemanet/otp,RJ/otp,psyeugenic/otp,lantti/otp,aboroska/otp,bernardd/otp,basho/otp,emacsmirror/erlang,gjaldon/otp,goertzenator/otp,bjorng/otp,Teino1978-Corp/erlang-otp,ader1990/otp,sitexa/otp,release-project/otp,ader1990/otp,RaimoNiskanen/otp,RoadRunnr/otp,jj1bdx/otp,isvilen/otp,lightcyphers/otp,Teino1978-Corp/erlang-otp,jemsbhai/otp,aboroska/otp,bernardd/otp,kvakvs/otp,jinshana/otp,Teino1978-Corp/otp,NOMORECOFFEE/otp,basho/otp,bernardd/otp,johanclaesson/otp,RaimoNiskanen/otp,sammoth-wazoku/otp,RichMorin/otp,legoscia/otp,msantos/otp,benoitc/otp-1,basho/otp,mujiatong/otp,bernardd/otp,emacsmirror/erlang,dumbbell/otp,jamesruan/otp,RichMorin/otp,lemenkov/otp,massemanet/otp,neeraj9/otp,beni55/otp,psyeugenic/otp,psyeugenic/otp,dumbbell/otp,RoadRunnr/otp,riverrun/otp,sitexa/otp,falkevik/otp,schlagert/otp,derek121/otp,yangchengjian/otp,vinoski/otp,platinumthinker/otp,c-rack/otp,weisslj/otp,jemsbhai/otp,palas/otp,cobusc/otp,vinoski/otp,jinshana/otp,RoadRunnr/otp,beni55/otp,awetzel/otp,benoitc/otp-1,legoscia/otp,rlipscombe/otp,tuncer/otp,release-project/otp,paulcager/otp,basho/otp,weisslj/otp,lemenkov/otp,NOMORECOFFEE/otp,jj1bdx/otp,lhslll/otp,bernardd/otp,lianghaivv/otp,hairyhum/otp,gjaldon/otp,mikpe/otp,Teino1978-Corp/otp,uabboli/otp,lantti/otp,lianghaivv/otp,lhslll/otp,bsmr-erlang/otp,benoitc/otp-1,lrascao/otp,lantti/otp,Teino1978-Corp/otp,tuncer/otp,jamesruan/otp,bjorng/otp,release-project/otp,g-andrade/otp,goertzenator/otp,rlipscombe/otp,sammoth-wazoku/otp,c-rack/otp,c-rack/otp,goertzenator/otp,RGafiyatullin/otp,vic/otp,RoadRunnr/otp,NOMORECOFFEE/otp,RoadRunnr/otp,dumbbell/otp,enikki/otp,legoscia/otp,potatosalad/otp,lemenkov/otp,release-project/otp,enikki/otp,fenollp/otp,lianghaivv/otp,fenollp/otp,haguenau/otp,ahmedshafeeq/otp