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Function Details : putwc

wint_tputwc(wchar_t wc,FILE * stream) ;

Return Type : wint_t

An integer type capable of storing any wide character value or the special value WEOF, used in wide-character input/output functions.
Read about return values of putwc function .

1st Parameter Type : wchar_t

A data type used to represent wide characters, typically supporting larger character sets such as Unicode. Its size is platform-dependent but is often 2 or 4 bytes.

1st Parameter

The wide character to be written to the output stream.

2nd Parameter Type : FILE *

Pointer to FILE structure for file operations

2nd Parameter

Pointer to the `FILE` stream where the wide character is to be written.

Read more about parameters of putwc in parameters section
The putwcfunction in C language Writes a wide character to the specified stream.
The putwc function writes a wide character to the specified output stream at the current position. It's similar to fputwc but may be implemented as a macro. This function is used for writing wide characters to files or other streams, which is particularly useful for handling non-ASCII text and internationalization.
The putwcfunction takes 2 parameters:
  • •
    wchar_t `wc`: The wide character to be written to the output stream.
  • •
    FILE * `stream`: Pointer to the `FILE` stream where the wide character is to be written.
Writes the wide character `wc` to the specified output stream `stream`. Returns the character written as a `wint_t` on success or `WEOF` if an error occurs. Typically used for wide-character output to a file or standard output.
The putwc function return value :
  • Returns the wide character written as a wint_t value if successful, or WEOF if an error occurred

Output

This example demonstrates writing a wide character (Greek Omega) to a file using putwc. It shows proper error checking and locale setting.