Does wide character input/output in C always read from / write to the correct (system default) encoding?

Question

I\'m primarily interested in the Unix-like systems (e.g., portable POSIX) as it seems like Windows does strange things for wide characters.

Do the read and write wid

Answer 1

Don't use fputs with anything else than ASCII.

If you want to write down lets say UTF8, then use a function who return the real size used by the utf8 string and use fwrite to write the good number of bytes, without worrying of vicious '\0' inside the string.