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

int pcount() const;

Defined in header

Defined in header

CharT fill() const; (1)

int_type snextc();

basic_istream& ignore( std::streamsize count = 1, int_type

void setstate( iostate state );

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

bool is_open();