#include <stdio.h>int foo;extern void xxx (void);voidbar (int x){if (foo == 1)printf ("OK1\n");else if (foo == 0)printf ("OK2\n");foo = -1;xxx ();}
#include <stdio.h>int foo;extern void xxx (void);voidbar (int x){if (foo == 1)printf ("OK1\n");else if (foo == 0)printf ("OK2\n");foo = -1;xxx ();}