fgetws - read a wide-character string from a FILE stream
wchar_t *fgetws(wchar_t *ws, int n, FILE *stream);
() function is the wide-character equivalent of the
function. It reads a string of at most n-1
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
characters at ws
For a nonlocking counterpart, see unlocked_stdio(3)
() 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
In the absence of additional information passed to the fopen(3)
is reasonable to expect that fgetws
() will actually read a multibyte
string from the stream and then convert 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.
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