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C++ streambuf - sputc
Description
It is used to store character at current put position and increase put pointer and the character c is stored at the current position of the controlled output sequence, and then advances the position indicator to the next character.
Declaration
Following is the declaration for std::streambuf::sputc.
int sputc (char c);
Parameters
c − Character to be put.
Return Value
It returns for successive case, the character put is returned, as a value of type int. Otherwise, it returns the end-of-file value (EOF) to signal a failure.
Exceptions
Basic guarantee − if an exception is thrown, the stream buffer is in a valid state.
Data races
It modifies the stream buffer object.
Example
In below example explains about std::streambuf::sputc.
#include <iostream> #include <fstream> int main () { char ch; std::ofstream ostr ("test.txt"); if (ostr) { std::cout << "Writing to file. Type a dot (.) to end.\n"; std::streambuf * pbuf = ostr.rdbuf(); do { ch = std::cin.get(); pbuf->sputc(ch); } while (ch!='.'); ostr.close(); } return 0; }
Let us compile and run the above program, this will produce the following result −
Writing to file. Type a dot (.) to end.
streambuf.htm
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