1/*2PATTERN:30019-kr_names.c:9: warning: parameter names (without types) in function declaration40019-kr_names.c:13: warning: type of 'a' defaults to int50019-kr_names.c:13: warning: type of 'c' defaults to int6.7*/89int f(a,b);1011int12f(a,b,c) char b;13{14 return a - c + b;15}1617int18main(void)19{20 return f(1,0,1);21}