.intel_syntax noprefix
.text
.global _start

_start:

loop:
    mov    eax, 3           #__NR_read 3
    mov    ebx, 0           # file descriptor stdin
    mov    ecx, INPUT_PTR   # *buff - read from stdin to buff
    mov    edx, 1           # symbols count
    int    0x80

    cmp    eax, 0
    je     exit              # if eax equals 0, then exit

    mov    eax, 4
    mov    ebx, 1
    mov    ecx, INPUT_PTR
    mov    edx, 1
    int    0x80

    jmp    loop


exit:
    mov    eax, 1           # __NR_exit 1
    mov    ebx, 0           # 0 if NO ERRORS
    int    0x80             # syscall

.data
INPUT:
    .string ""
INPUT_PTR:
    .long INPUT