17 printf("%d\n", fred() && joe());
18 printf("%d\n", fred() || joe());
19 printf("%d\n", joe() && fred());
20 printf("%d\n", joe() || fred());
21 printf("%d\n", fred() && (1 + joe()));
22 printf("%d\n", fred() || (0 + joe()));
23 printf("%d\n", joe() && (0 + fred()));
24 printf("%d\n", joe() || (1 + fred()));
29 /* vim: set expandtab ts=4 sw=3 sts=3 tw=80 :*/