echo 'int summish(int x, int y) { return 1 + x + y; }' > $testfilestem.c
echo 'int numberish = 42;' >> $testfilestem.c
echo 'int nummish(int x) { return numberish + x; }' >> $testfilestem.c
echo 'int summish(int x, int y) { return 1 + x + y; }' > $testfilestem.c
echo 'int numberish = 42;' >> $testfilestem.c
echo 'int nummish(int x) { return numberish + x; }' >> $testfilestem.c