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vfwprintf (3)
  • vfwprintf (3) ( Solaris man: Библиотечные вызовы )
  • vfwprintf (3) ( FreeBSD man: Библиотечные вызовы )
  • vfwprintf (3) ( Русские man: Библиотечные вызовы )
  • vfwprintf (3) ( Linux man: Библиотечные вызовы )
  • >> vfwprintf (3) ( POSIX man: Библиотечные вызовы )
  •  

    NAME

    vfwprintf, vswprintf, vwprintf - wide-character formatted output of
    a stdarg argument list
     
    

    SYNOPSIS

    #include <stdarg.h>
    #include <stdio.h>
    #include <wchar.h>

    int vfwprintf(FILE *restrict stream, const wchar_t *restrict format,
           va_list
    arg);
    int vswprintf(wchar_t *restrict
    ws, size_t n,
           const wchar_t *restrict
    format, va_list arg);
    int vwprintf(const wchar_t *restrict
    format, va_list arg);
     

    DESCRIPTION

    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 IEEE Std 1003.1-2001 defers to the ISO C standard.

    The vfwprintf(), vswprintf(), and vwprintf() functions shall be equivalent to fwprintf(), swprintf(), and wprintf() respectively, except that instead of being called with a variable number of arguments, they are called with an argument list as defined by <stdarg.h>.

    These functions shall not invoke the va_end macro. However, as these functions do invoke the va_arg macro, the value of ap after the return is unspecified.  

    RETURN VALUE

    Refer to fwprintf() .  

    ERRORS

    Refer to fwprintf() .

    The following sections are informative.  

    EXAMPLES

    None.  

    APPLICATION USAGE

    Applications using these functions should call va_end(ap) afterwards to clean up.  

    RATIONALE

    None.  

    FUTURE DIRECTIONS

    None.  

    SEE ALSO

    fwprintf() , the Base Definitions volume of IEEE Std 1003.1-2001, <stdarg.h>, <stdio.h>, <wchar.h>  

    COPYRIGHT

    Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. In the event of any discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Standard is the referee document. The original Standard can be obtained online at http://www.opengroup.org/unix/online.html .


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    RETURN VALUE
    ERRORS
    EXAMPLES
    APPLICATION USAGE
    RATIONALE
    FUTURE DIRECTIONS
    SEE ALSO
    COPYRIGHT


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