getwc(3S)
NAME
getwc − get wide character from a stream
SYNOPSIS
#include <stdio.h>
#include <wchar.h>
wint_t getwc(FILE ∗stream);
DESCRIPTION
The getwc() function is equivalent to fgetwc(3S), except that if it is implemented as a macro it may evaluate stream more than once, so the argument should never be an expression with side effects.
RETURN VALUES
Refer to fgetwc(3S).
ERRORS
Refer to fgetwc(3S).
USAGE
This interface is provided in order to align with some current implementations, and with possible future ISO standards.
Because it may be implemented as a macro, getwc() may treat incorrectly a stream argument with side effects. In particular, getwc(∗f++) may not work as expected. Therefore, use of this function is not recommended; fgetwc(3S) should be used instead.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
| MT-Level | MT-Safe |
SEE ALSO
SunOS 5.6 — Last change: 22 Apr 1997