PROLOG<\/a> This manual page is part of the POSIX Programmer\u2019s Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux.<\/p>\n vfwprintf, vswprintf, vwprintf \u2014 wide-character formatted output of a stdarg argument list<\/p>\n #include int vfwprintf(FILE *restrict stream<\/i>, const wchar_t *restrict format<\/i>, The functionality described on this reference page is aligned with the ISO\u00a0C standard. Any conflict between the requirements described here and the ISO\u00a0C standard is unintentional. This volume of POSIX.1-2017 defers to the ISO\u00a0C standard.<\/p>\n The vfwprintf<\/i>(), vswprintf<\/i>(), and vwprintf<\/i>() functions shall be equivalent to fwprintf<\/i>(), swprintf<\/i>(), and wprintf<\/i>() respectively, except that instead of being called with a variable number of arguments, they are called with an argument list as defined by These functions shall not invoke the va_end<\/i> macro. However, as these functions do invoke the va_arg<\/i> macro, the value of ap<\/i> after the return is unspecified.<\/p>\n Refer to fwprintf<\/i>().<\/p>\n Refer to fwprintf<\/i>().<\/p>\n The following sections are informative.<\/i><\/p>\n None.<\/p>\n Applications using these functions should call va_end<\/i>(ap<\/i>) afterwards to clean up.<\/p>\n None.<\/p>\n None.<\/p>\n Section 2.5<\/i>, Standard I\/O Streams<\/i>, fwprintf<\/i>()<\/p>\n
NAME<\/a>
SYNOPSIS<\/a>
DESCRIPTION<\/a>
RETURN VALUE<\/a>
ERRORS<\/a>
EXAMPLES<\/a>
APPLICATION USAGE<\/a>
RATIONALE<\/a>
FUTURE DIRECTIONS<\/a>
SEE ALSO<\/a>
COPYRIGHT<\/a> <\/p>\n
\nPROLOG <\/a> <\/h2>\n
NAME <\/a> <\/h2>\n
SYNOPSIS <\/a> <\/h2>\n
#include
#include
va_list arg<\/i>);
int vswprintf(wchar_t *restrict ws<\/i>, size_t n<\/i>,
const wchar_t *restrict format<\/i>, va_list arg<\/i>);
int vwprintf(const wchar_t *restrict format<\/i>, va_list arg<\/i>);<\/p>\nDESCRIPTION <\/a> <\/h2>\n
RETURN VALUE <\/a> <\/h2>\n
ERRORS <\/a> <\/h2>\n
EXAMPLES <\/a> <\/h2>\n
APPLICATION USAGE <\/a> <\/h2>\n
RATIONALE <\/a> <\/h2>\n
FUTURE DIRECTIONS <\/a> <\/h2>\n
SEE ALSO <\/a> <\/h2>\n