; 
; _isleadbyte_l from 0x18013da24 to 0x18013da6f (75 bytes)
; 
; 2 xrefs:
; > _mbtowc_l @ 0x18013735b
; > <???> @ 0x180203b00
; 
; This function is hookable on this platform!
; 
; Using BromaIDA 8.0.0 @ https:;github.com/Stazzical/BromaIDA
; Using bindings at commit ba9f177b at Thu Jul 16 22:52:06 2026 from https:;github.com/geode-sdk/bindings
; 

push    rbx                                                            ; +0x0, 0x18013da24
sub     rsp, 40h                                                       ; +0x2, 0x18013da26
movsxd  rbx, ecx                                                       ; +0x6, 0x18013da2a
lea     rcx, [rsp+48h+var_28]; this                                    ; +0x9, 0x18013da2d
call    ??0_LocaleUpdate@@QEAA@QEAU__crt_locale_pointers@@@Z           ; +0xe, 0x18013da32
lea     eax, [rbx+1]                                                   ; +0x13, 0x18013da37
cmp     eax, 100h                                                      ; +0x16, 0x18013da3a
ja      short loc_18013DA54                                            ; +0x1b, 0x18013da3f
mov     rax, [rsp+48h+var_20]                                          ; +0x1d, 0x18013da41
mov     rcx, [rax]                                                     ; +0x22, 0x18013da46
movzx   eax, word ptr [rcx+rbx*2]                                      ; +0x25, 0x18013da49
and     eax, 8000h                                                     ; +0x29, 0x18013da4d
jmp     short loc_18013DA56                                            ; +0x2e, 0x18013da52
xor     eax, eax                                                       ; +0x30, 0x18013da54
cmp     [rsp+48h+var_10], 0                                            ; +0x32, 0x18013da56
jz      short loc_18013DA69                                            ; +0x37, 0x18013da5b
mov     rcx, [rsp+48h+var_28]                                          ; +0x39, 0x18013da5d
and     dword ptr [rcx+3A8h], 0FFFFFFFDh                               ; +0x3e, 0x18013da62
add     rsp, 40h                                                       ; +0x45, 0x18013da69
pop     rbx                                                            ; +0x49, 0x18013da6d
retn                                                                   ; +0x4a, 0x18013da6e