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vwprintf(3) Library Functions Manual vwprintf(3) NAME vwprintf, vfwprintf, vswprintf - Prints formatted output for wide characters from stdarg parameter list LIBRARY Standard C Library (libc.so, libc.a) SYNOPSIS #include <stdarg.h> #include <wchar.h> int vwprintf( const wchar_t *format, va_list printarg); #include <stdarg.h> #include <stdio.h> #include <wchar.h> int vfwprintf( FILE *stream, const wchar_t *format, va_list printarg; #include <stdarg.h> #include <wchar.h> int vswprintf( wchar_t *wstr, size_t n, const wchar_t *format, va_list printarg); STANDARDS Interfaces documented on this reference page conform to industry stan- dards as follows: vfwprintf(), vswprintf(), vwprintf(): ISO C Refer to the standards(5) reference page for more information about in- dustry standards and associated tags. PARAMETERS Specifies a wide-character string that combines literal characters with conversion specifications. Specifies the arguments to be converted us- ing the format parameter. Points to a FILE structure specifying an open stream to which converted values are written. Points to a charac- ter array in which the converted values are stored. Specifies the max- imum number of output wide characters, including the terminating null wide character. Unless n is zero, a terminating null wide character is always added to output. DESCRIPTION The vwprintf(), vfwprintf(), and vswprintf() functions convert, format, and write stdarg parameter lists. These functions are the same as the wprintf(), fwprintf(), and sw- printf() functions, respectively, except these functions are not called with a variable number of values. Instead, vwprintf(), vfwprintf(), and vswprintf() are called with a parameter list pointer as defined by the stdarg.h header file. Refer to the wprintf(3) reference page for information about conversion specifications, return values, and errors. Refer to the varargs(3) reference page for information about handling parameter lists. RELATED INFORMATION Functions: fopen(3), printf(3), varargs(3), vprintf(3), wprintf(3) Files: locale(4) delim off vwprintf(3)