#include <stdint.h>
#include "sys.h"


int main() {
#if defined(__x86_64__) || defined(__aarch64__) || defined(__mips__)
  uint64_t pid = fork();
  char msg[17] = {' '};
  msg[16] = '\n';
  for(int i = 0; i < 16; ++i) {
    char nibble = (pid >> ((15 - i) * 4)) & 0xf;
    char c;
    if (nibble > 9) {c = nibble + '7';}
    else {c = nibble + '0';}
    msg[i] = c;
  }
  write(STDIO, msg, 17);
  #else
  char *msg = "Hello World!\n";
  write(STDIO, msg, 13);
#endif
  return 69;
}
void __libc_start_main() {exit(main());}

void _start() {
  __libc_start_main();
}

void __start() {
  _start();
}
/*
#if defined(__x86_64__)
        printf("Compiled for x86_64 architecture\n");
    #elif defined(__i386__)
        printf("Compiled for x86 architecture\n");
    #elif defined(__arm__)
        printf("Compiled for ARM architecture\n");
    #elif defined(__aarch64__)
        printf("Compiled for ARM64 architecture\n");
    #elif defined(__mips__)
        printf("Compiled for ARM architecture\n");
    #else
        printf("Unknown architecture\n");
    #endif
*/