CentOS 7.0 - man page for fgetws (centos section 3)
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FGETWS(3) Linux Programmer's Manual FGETWS(3)
fgetws - read a wide-character string from a FILE stream
wchar_t *fgetws(wchar_t *ws, int n, FILE *stream);
The fgetws() function is the wide-character equivalent of the fgets(3) function. It reads
a string of at most n-1 wide characters into the wide-character array pointed to by ws,
and adds a terminating null wide character (L'\0'). It stops reading wide characters
after it has encountered and stored a newline wide character. It also stops when end of
stream is reached.
The programmer must ensure that there is room for at least n wide characters at ws.
For a nonlocking counterpart, see unlocked_stdio(3).
The fgetws() function, if successful, returns ws. If end of stream was already reached or
if an error occurred, it returns NULL.
The behavior of fgetws() depends on the LC_CTYPE category of the current locale.
In the absence of additional information passed to the fopen(3) call, it is reasonable to
expect that fgetws() will actually read a multibyte string from the stream and then con-
vert it to a wide-character string.
This function is unreliable, because it does not permit to deal properly with null wide
characters that may be present in the input.
This page is part of release 3.53 of the Linux man-pages project. A description of the
project, and information about reporting bugs, can be found at
GNU 2011-09-28 FGETWS(3)
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