#include <stdio.h>
#include <string.h>

// gcc -o test_shellcode -m32 -fno-stack-protector -fno-pie -z execstack -O0 test_shellcode.c

// Your shellcode goes here
char *shellcode = "\x90\x90\x90...";
// ------------------------

int main()
{
    // Print length of shellcode
    fprintf(stdout,"Length: %d\n",strlen(shellcode));
    // Execute shellcode
    (*(void  (*)()) shellcode)();
}