flags

C++ Reference

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cppreference.com > C++ I/O > flags
flags
Syntax: 
  #include <fstream>
  fmtflags flags();
  fmtflags flags( fmtflags f );

The flags() function either returns the io stream format flags for the current stream, or sets the flags for the current stream to be f.

Related topics:
setfunsetf
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