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# std::ungetwc

From cppreference.com
< cpp‎ | io‎ | c

Defined in header `<cwchar>` |  |
wint_t ungetwc( wint_t ch, std::FILE* stream ); |  |

Puts the wide character `ch` back to the given file stream. Only one wide character pushback is guaranteed.

### [edit] Parameters

ch | - | wide character to be put back
stream | - | file stream to put the wide character back to

### [edit] Return value

On success `ch` is returned.

On failure WEOF is returned and the given stream remains unchanged.

### [edit] See also

ungetc | puts a character back into a file stream (function) [edit]
fgetwc getwc | gets a wide character from a file stream (function) [edit]
C documentation for ungetwc

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