ahmet / libasm

global ft_strcmp
    section .text

ft_strcmp:
    mov rcx, 0                  

.loop:
    movzx rax, BYTE [rdi + rcx]
    movzx rdx, BYTE [rsi + rcx]
    
    cmp rax, rdx
    jne .done
    
    cmp rax, 0
    je .done
    
    inc rcx
    jmp .loop

.done:
    sub rax, rdx
    ret