1 tst/spill.c:1: warning: missing return value
2 tst/spill.c:3: warning: missing return value
3 tst/spill.c:5: warning: missing return value
4 tst/spill.c:7: warning: missing return value
5 tst/spill.c:9: warning: missing return value
6 tst/spill.c:17: warning: missing return value
