text: // Copyright (c) 2021 Marco Wang <m.aesophor@gmail.com>. All rights reserved.
  #include <vlibc.h>
  #include <cstring.h>
  
  int main(int argc, char **argv) {
    int ret;
  
    if (argc < 2) {
      printf("unlink: missing operand\n");
      ret = 0;
      goto out;
    }
  
    if ((ret = unlink(argv[1])) == -1) {
      printf("unlink: cannot unlink '%s'\n", argv[1]);
      ret = 1;
      goto out;
    }
  
  out:
    return ret;
  }
  