14-2.cpp

来自「为初学者提供的最佳的C++程序设计源程序库」· C++ 代码 · 共 37 行

#include<iostream.h>
void showflags();
main()
{
  showflags();
  cout.setf(ios::oct|ios::showbase|ios::fixed);
  showflags();
  return 0;
}
void showflags()
{
  long f,i;
  int j;
  char flgs[15][12]={
    "skipws",
	"left",
	"right",
	"internal",
	"dec",
	"oct",
	"hex",
	"showbase",
	"showpoint",
	"uppercase",
	"showpos",
	"scientific",
	"fixed",
	"unitbuf",
	"stdio",
  };
  f=cout.flags();
  for(i=1,j=0;i<0x4000;i=i<<1,j++)
    if(i&f)
	  cout<<flgs[j]<<"is on\n";
	else cout<<flgs[j]<<"is off\n";
  cout<<"\n";
}