Write formatted output to standard output (varargs)
#include <wchar.h> #include <stdarg.h> int vwprintf( const wchar_t * format, va_list arg );
libc
Use the -l c option to qcc to link against this library. This library is usually included automatically.
The vwprintf() function writes output to the file stdout, under control of the argument format.
The vwprint() function is the wide-character version of vprintf(), and is a “varargs” version of wprintf().
The number of characters written, or a negative value if an output error occurred (errno is set).
Safety: | |
---|---|
Cancellation point | No |
Interrupt handler | No |
Signal handler | No |
Thread | Yes |
errno, fprintf(), fwprintf(), printf(), snprintf(), sprintf(), swprintf(), va_start(), vfprintf(), vfwprintf(), vprintf(), vsnprintf(), vsprintf(), vswprintf(), wprintf()