int_type sputc( char_type ch );

Defined in header

int pcount() const;

int_type snextc();

std::basic_string<CharT,Traits,Allocator> str() const; (1)

template< class CharT, class Traits > void swap( basic_fstream<CharT

int pcount() const;

Defined in header

The C I/O subset of the C++ standard library implements C-style stream input/output operations. The <cstdio> header provides generic file operation support

std::basic_filebuf<CharT, Traits>* open( const char* s, std::ios_base::openmode