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< cpp | io | basic streambuf C++ Compiler support Freestanding and hosted Language Standard library Standard library headers Named requirements Feature test macros (C++20) Language support library Concepts library (C++20) Diagnostics library Memory management library Metaprogramming library (C++11) General utilities library Containers library Iterators library Ranges library (C++20) Algorithms library Strings library Text processing library Numerics library Date and time library Input/output library Filesystem library (C++17) Concurrency support library (C++11) Execution control library (C++26) Technical specifications Symbols index External libraries [edit] Input/output library I/O manipulators Print functions (C++23) C-style I/O Buffers basic_streambuf basic_filebuf basic_stringbuf basic_spanbuf(C++23)
strstreambuf(C++98/26*)
basic_syncbuf(C++20)
Streams Abstractions ios_base basic_ios basic_istream basic_ostream basic_iostream File I/O basic_ifstream basic_ofstream basic_fstream String I/O basic_istringstream basic_ostringstream basic_stringstream Array I/O basic_ispanstream(C++23)
basic_ospanstream(C++23)
basic_spanstream(C++23)
istrstream(C++98/26*)
ostrstream(C++98/26*)
strstream(C++98/26*)
Synchronized Output basic_osyncstream(C++20)
Types streamoff streamsize fpos Error category interface iostream_category(C++11)
io_errc(C++11)
[edit] std::basic_streambuf Public member functions basic_streambuf::~basic_streambuf Locales basic_streambuf::pubimbue basic_streambuf::getloc Positioning basic_streambuf::pubsetbuf basic_streambuf::pubseekoff basic_streambuf::pubseekpos basic_streambuf::pubsync Get area basic_streambuf::in_avail basic_streambuf::snextc basic_streambuf::sbumpc basic_streambuf::sgetc basic_streambuf::sgetn Put areabasic_streambuf::sputc
basic_streambuf::sputn Putback basic_streambuf::sputbackc basic_streambuf::sungetc(C++11)
basic_streambuf::swap(C++11)
Locales basic_streambuf::imbue Positioning basic_streambuf::setbuf basic_streambuf::seekoff basic_streambuf::seekpos basic_streambuf::sync Get area basic_streambuf::showmanyc basic_streambuf::underflow basic_streambuf::uflow basic_streambuf::xsgetn basic_streambuf::ebackbasic_streambuf::gptrbasic_streambuf::egptr basic_streambuf::gbump basic_streambuf::setg Put area basic_streambuf::xsputn basic_streambuf::overflow basic_streambuf::pbasebasic_streambuf::pptrbasic_streambuf::epptr basic_streambuf::pbump basic_streambuf::setp Putback basic_streambuf::pbackfail [edit]int_type sputc( char_type ch );
Writes one character to the output sequence.
If the output sequence write position is not available (the buffer is full), then calls overflow(ch).
Contents [edit] Parameters ch - character to write [edit] Return valueThe written character, converted to int_type with Traits::to_int_type(ch) on success.
Traits::eof() (as returned by overflow()) on failure.
[edit] ExampleRun this code
#include <iostream>
#include <sstream>
int main()
{
std::ostringstream s;
s.rdbuf()->sputc('a');
std::cout << s.str() << '\n';
}
Output:
a[edit] See also sputn invokes xsputn()
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