getwc — get a wide character from a stream
#include <stdio.h>
#include <wchar.h>
wint_t getwc(FILE *stream);
[CX] The functionality described on this reference page is aligned with the ISO C standard. Any conflict between the requirements described here and the ISO C standard is unintentional. This volume of POSIX.1-2024 defers to the ISO C standard.The getwc() function shall be equivalent to fgetwc(), 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.
Refer to fgetwc .
Refer to fgetwc .
None.
Since it may be implemented as a macro, getwc() may treat incorrectly a stream argument with side-effects. In particular, getwc(*f++) does not necessarily work as expected. Therefore, use of this function is not recommended; fgetwc() should be used instead.
None.
None.
First released as a World-wide Portability Interface in Issue 4. Derived from the MSE working draft.
The Optional Header (OH) marking is removed from <stdio.h>.
POSIX.1-2008, Technical Corrigendum 1, XSH/TC1-2008/0270 [14] is applied.
return to top of page