thanks, jackx seems good.
make
cc -I"/usr/include/pd" -DPD -DVERSION='"0.1"' -fPIC -Wall -W -g -O6 -funroll-loops -fomit-frame-pointer -o "jack-connect.o" -c "jack-connect.c"
In file included from jack-connect.c:21:0:
m_pd.h:5:0: error: unterminated #ifndef
In file included from jack-connect.c:23:0:
/usr/include/unistd.h:255:1: error: expected ;, , or ) before typedef
make: *** [jack-connect.o] Error 1