/in/foo.c: In function 'main':
/in/foo.c:7:10: error: 'money' undeclared (first use in this function)
  for(i=1;money>0;i++)
          ^~~~~
/in/foo.c:7:10: note: each undeclared identifier is reported only once for each function it appears in
/in/foo.c:5:16: warning: unused variable 'm' [-Wunused-variable]
  int str[11],i,m;
                ^