/in/foo.c: In function 'main':
/in/foo.c:9:24: warning: format '%d' expects a matching 'int' argument [-Wformat=]
         printf("%d %d %d\n",b,a);
                        ^
/in/foo.c:12:28: warning: format '%d' expects a matching 'int' argument [-Wformat=]
             printf("%d %d %d\n",c,a);
                            ^
/in/foo.c:14:28: warning: format '%d' expects a matching 'int' argument [-Wformat=]
             printf("%d %d %d\n",a,c);
                            ^
/in/foo.c:17:24: warning: format '%d' expects a matching 'int' argument [-Wformat=]
         printf("%d %d %d\n",a,b);
                        ^
/in/foo.c:20:28: warning: format '%d' expects a matching 'int' argument [-Wformat=]
             printf("%d %d %d\n",c,b);
                            ^
/in/foo.c:22:28: warning: format '%d' expects a matching 'int' argument [-Wformat=]
             printf("%d %d %d\n",b,c);
                            ^