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void test_switch(int i) {
	static int state;
 
	if (i == 0)
        state = 0;
	else if (i == 1 && some_condition)
	  	some_function();
	else
    	other_function();
}
 

prog.c: In function 'test_switch':
prog.c:6:21: error: 'some_condition' undeclared (first use in this function)
  else if (i == 1 && some_condition)
                     ^
prog.c:6:21: note: each undeclared identifier is reported only once for each function it appears in
prog.c:7:5: warning: implicit declaration of function 'some_function' [-Wimplicit-function-declaration]
     some_function();
     ^
prog.c:9:6: warning: implicit declaration of function 'other_function' [-Wimplicit-function-declaration]
      other_function();
      ^
prog.c:2:13: warning: variable 'state' set but not used [-Wunused-but-set-variable]
  static int state;
             ^

Standard output is empty