Data type size_t
# include <stdio.h>
# include <stdint.h> // for SIZE_MAX
# include <stddef.h> // for data type size_t
// # include <sys/types.h> // for data type off_t

signed(main(void)) {

auto size_t s;
// auto off_t o;

// printf("%s: %zu \n","sizeof(o)",sizeof(o));
printf("%s: %zu \n","sizeof(s)",sizeof(s));
printf("\n");

s = (0x00&(s));
s = (~s);
printf("%zu \n",s);
printf("%zd \n",s);
printf("\n");

s = (s>>(0x01));
printf("%zu \n",s);
printf("%zd \n",s);
printf("\n");

s++;
printf("%zu \n",s);
printf("%zd \n",s);
printf("\n");

s = (SIZE_MAX);
printf("%zu \n",s);
printf("%zd \n",s);

return(0x00);
}