movl    $3, %eax
    movl    $0, %ebx
    movl    %esp, %ecx
    movl    $1, %edx
    int     $0x80
    jz      end

    movl    (%esp), %ecx
    subl    zero, %ecx

    movl    (%esp), %eax
    pushl   %eax
    pushl   %eax
# .string "(char=%c u=%u)\n"
    leal    printf_format, %eax
    pushl   %eax
    call    printf
    addl    $12, %esp