putchar
From cppreference.com
                    
                                        
                    
                    
                                                            
                    |   Defined in header <stdio.h>
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|   int putchar( int ch );  | 
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Writes a character ch to stdout
[edit] Parameters
| ch | - | character to be written | 
[edit] Return value
ch on success, EOF on failure.
[edit] See also
|    writes a character to a file stream  (function)  | |
|   C++ documentation for putchar 
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