#define _GNU_SOURCE
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <stdarg.h>
#include <stdlib.h>
#include <stdint.h>
#include <unistd.h>

int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t i) {

  if (i < 24) return -1;
  if (buf[0] != 'A') return 0;
  int *icmp = (int *)(buf + 1);
  if (*icmp != 0x69694141) return 0;
  if (memmem(buf + 5, i - 5, "MEMMEM", 6) == NULL) return 0;
  ((char *)buf)[23] = '\0';  // Ensure null-termination for strstr
  if (strstr((char *)(buf + 11), "STRSTR") == NULL) return 0;
  if (memcmp(buf + 17, "1234EF", 6) == 0) abort();
  return 0;

}

#ifdef __AFL_COMPILER
int main(int argc, char *argv[]) {

  unsigned char buf[1024];
  ssize_t       i;
  while (__AFL_LOOP(1000)) {

    i = read(0, (char *)buf, sizeof(buf) - 1);
    if (i > 0) buf[i] = 0;
    LLVMFuzzerTestOneInput(buf, i);

  }

  return 0;

}

#endif

