int printf(const char *format, ...);

unsigned int u;
static char current_file_dir[1024] ;

void
f(char *name)
{
    char *s = name;
    char *q = current_file_dir;
    printf("%s and %s\n",s,q);
}

main()
{
    int i,k; unsigned uk;

    char c = -3;
    printf("char is %ssigned\n", c==256-3? "un":"");

    for(i=-3;i<4;i++) {  
        k = (char) i; 
        uk = (unsigned char) i; 
        printf("#0011:%d %u\n",k,uk);
        k = (short) i; 
        uk = (unsigned short) i; 
        printf("#0014:%d %u\n",k,uk);
    }
    u = (unsigned) -23432;

    printf("#0018:%d\n",u/(8048+5));

    current_file_dir[0]  = 'k';
    current_file_dir[1]  = 'a';
    current_file_dir[2]  = 't';
    current_file_dir[3]  = 'e';
    current_file_dir[4]  = 0;
    f("john");
    return 0;
}