{{keywords>wiki library source code example reference}}
====== vprintf ======

<code c>
    int vprintf(const char *format, va_list arg);
</code>
Equivalent to printf with variable argument list replaced by arg, which must have been initialised by the va_start macro (and may have been used in calls to va_arg).\\
is used to generate a string from a format string and then print to standard output stdout.
**vprintf** can understood as a combination of [[c:stdio.h:puts|]] and [[c:stdio.h:vsprintf|]].

===== C Sourcecode Example =====
<code c>
/* 
 * vprintf example code
 * http://code-reference.com/c/stdio.h/vprintf 
 */

#include <stdio.h> /* including standard library */
//#include <windows.h> /* uncomment this for Windows */

#include <stdarg.h>  /* included for va_list */

int myprintf( char const * format, ... )
{
  va_list args;
  int n;

  printf("vprintf example :");
  va_start( args, format );
  n = vprintf( format, args );
  va_end( args );

  return n;
}

int main ( void )
{
  char string[] ="Hello";

   myprintf( " %s World\n", string);

   return 0;
}

</code>

==== output ====


    output:  ./vprintf 
    vprintf example : Hello World