1--- mif1.c~ 2+++ mif1.c 3@@ -5,19 +5,9 @@ 4 #include <stdio.h> 5 #include <stdlib.h> 6 7-#if FOO 8 int foo() { return 0; } 9-#else 10-#error FOO not defined 11-#endif 12 13-#if BAR 14-int foo() { return 0; } 15-#elif FOO 16 int bar() { return 0; } 17-#else 18-#error FOO not defined 19-#endif 20 21 int main() 22 { 23--- mif2.c~ 24+++ mif2.c 25@@ -5,11 +5,7 @@ 26 #include <stdio.h> 27 #include <stdlib.h> 28 29-#if defined(FOO) 30 int foo() { return 0; } 31-#else 32-#error FOO not defined 33-#endif 34 35 int main() 36 { 37