having fun executing shellcodes :)


#include <stdio.h>

unsigned char a[] = {
  0x7f, 0x45, 0x4c, 0x46, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x03, 0x00, 0x01, 0x00, 0x00, 0x00,
  0x30, 0x83, 0x04, 0x08, 0x34, 0x00, 0x00, 0x00, 0x28, 0x11, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x34, 0x00, 0x20, 0x00, 0x08, 0x00, 0x28, 0x00,
  0x1e, 0x00, 0x1b, 0x00, 0x06, 0x00, 0x00, 0x00, 0x34, 0x00, 0x00, 0x00,
  0x34, 0x80, 0x04, 0x08, 0x34, 0x80, 0x04, 0x08, 0x00, 0x01, 0x00, 0x00,
  0x00, 0x01, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00,
  0x03, 0x00, 0x00, 0x00, 0x34, 0x01, 0x00, 0x00, 0x34, 0x81, 0x04, 0x08,
  0x34, 0x81, 0x04, 0x08, 0x13, 0x00, 0x00, 0x00, 0x13, 0x00, 0x00, 0x00,
  0x04, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x04, 0x08, 0x00, 0x80, 0x04, 0x08,
  0xd4, 0x04, 0x00, 0x00, 0xd4, 0x04, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00,
  0x00, 0x10, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x0c, 0x0f, 0x00, 0x00,
  0x0c, 0x9f, 0x04, 0x08, 0x0c, 0x9f, 0x04, 0x08, 0x08, 0x01, 0x00, 0x00,
  0x10, 0x01, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00,
  0x02, 0x00, 0x00, 0x00, 0x20, 0x0f, 0x00, 0x00, 0x20, 0x9f, 0x04, 0x08,
  0x20, 0x9f, 0x04, 0x08, 0xd0, 0x00, 0x00, 0x00, 0xd0, 0x00, 0x00, 0x00,
  0x06, 0x00,
  0x83, 0xec, 0x04, 0xa1, 0x0c, 0x9f, 0x04, 0x08, 0x83, 0xf8, 0xff, 0x74,
  0x13, 0xbb, 0x0c, 0x9f, 0x04, 0x08, 0x66, 0x90, 0x83, 0xeb, 0x04, 0xff,
  0xd0, 0x8b, 0x03, 0x83, 0xf8, 0xff, 0x75, 0xf4, 0x83, 0xc4, 0x04, 0x5b,
  0x5d, 0xc3, 0x90, 0x90, 0x55, 0x89, 0xe5, 0x53, 0x83, 0xec, 0x04, 0xe8,
  0x00, 0x00, 0x00, 0x00, 0x5b, 0x81, 0xc3, 0x4c, 0x1b, 0x00, 0x00, 0xe8,
  0xac, 0xfe, 0xff, 0xff, 0x59, 0x5b, 0xc9, 0xc3, 0x03, 0x00, 0x00, 0x00,
  0x01, 0x00, 0x02, 0x00, 0x77, 0x61, 0x73, 0x6e, 0x74, 0x20, 0x74, 0x68,
  0x61, 0x74, 0x20, 0x66, 0x75, 0x6e, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00
};

void main(){
    int (*func)();
      func = (int (*)()) a;
      (int)(*func)();
}

Guess what you stupid sack of shit I just did a grep of the entire ISO/IEC 9899:2011 standard for mprotect, no results. Same with unistd and sysconf, guess what? No results.

None of those are part of C.

Go read the fucking standard, it's part of POSIX so it won't work on non-POSIX platforms.

You can just keep on bringing in more platform dependent behavior, it will just make you look even more retarded than you already do.