How it sometimes feels

      /* post_to_write_as.c */

      #include <string.h>
      #include <unistd.h>
      #include <fcntl.h>
 
      int main(int argc, char* argv[]) {
        if (argv[1]) {
          int fd = open("/dev/null", O_WRONLY);
          if (fd != -1) {
            write(fd, argv[1], strlen(argv[1]));
          }
          close(fd);
        }
        return 0;
      }