function
<cstdio>

putchar

int putchar ( int character );
Write character to stdout
Writes a character to the standard output (stdout).

It is equivalent to calling putc with stdout as second argument.

Parameters

character
The int promotion of the character to be written.
The value is internally converted to an unsigned char when written.

Return Value

On success, the character written is returned.
If a writing error occurs, EOF is returned and the error indicator (ferror) is set.

Example

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/* putchar example: printing the alphabet */
#include <stdio.h>

int main ()
{
  char c;
  for (c = 'A' ; c <= 'Z' ; c++) putchar (c);

  return 0;
}


This program writes ABCDEFGHIJKLMNOPQRSTUVWXYZ to the standard output.

See also

putc
Write character to stream (function )
fputc
Write character to stream (function )
getchar
Get character from stdin (function )

C++