#include <stdio.h> with #include <cstdio>

/** @file include/cstdio
 *  This is a Standard C++ Library file.  You should @c \#include this file
 *  in your programs, rather than any of the @a *.h implementation files.
 *
 *  This is the C++ version of the Standard C Library header @c stdio.h,
 *  and its contents are (mostly) the same as that header, but are all
 *  contained in the namespace @c std (except for names which are defined
 *  as macros in C).
 */

using namespace std;

using std::printf;

#include <cstdio>

int main()
{
  printf("PENIS!!!!!1111\n");
}

[del ~/test/cstdio]$ g++ -Wall -Wextra -pedantic -o test test.cpp
[del ~/test/cstdio]$ ./test 
PENIS!!!!!1111