#include <stdio.h>

unsigned char cde[] = 
"\xeb\x1f\x5e\x89\x76\x08\x31\xc0\x88\x46\x07\x89\x46\x0c\xb0\x0b"
"\x89\xf3\x8d\x4e\x08\x8d\x56\x0c\xcd\x80\x31\xdb\x89\xd8\x40\xcd"
"\x80\xe8\xdc\xff\xff\xff/bin/ls";


void tst(void) {
  int *ret;

  // set ret to be the word address 2 before it's own address.
  // On Linux i386 this is the address of the return value
  //   on the stack.

  ret = (int *)&ret+2;
  (*ret) = (int) cde;
}


int main(void) {
  printf("Running tst\n");
  tst();
  printf("tst has returned\n");
}