The block is passed to the plugin:
;---------------------------------------------------------------------
; not change this section!!!
; start section
;---------------------------------------------------------------------
align 4
image_file     dd 0 ;+0
raw_pointer    dd 0 ;+4
return_code    dd 0 ;+8
img_size       dd 0 ;+12
deflate_unpack dd 0 ;+16
raw_pointer_2  dd 0 ;+20
;---------------------------------------------------------------------
; end section
;---------------------------------------------------------------------


Calling plugins:



;---------------------------------------------------------------------
convert:
    xor  eax,eax
	cmp  [error_fs],eax
	jnz   .error
    mov  [return_code],eax
	mov eax,image_file
    call  [plugin]
    cmp   [return_code],dword 0
    je   @f
    cmp   [return_code],dword 2
    je   @f
;-------------------------------    
    xor  eax,eax
    mov  [return_code],eax
	mov eax,image_file
    call  [plugin_1]
    cmp   [return_code],dword 0
    je   @f
    cmp   [return_code],dword 2
    je   @f
;-------------------------------
    xor  eax,eax
    mov  [return_code],eax
	mov eax,image_file
    call  [plugin_2]
    cmp   [return_code],dword 0
    je   @f
    cmp   [return_code],dword 2
    je   @f
;-------------------------------
    xor  eax,eax
    mov  [return_code],eax
	mov eax,image_file
    call  [plugin_3] 
;-------------------------------
@@:
    mov   ecx,[image_file]
    mcall 68, 13,

    cmp   [return_code],dword 0
    je   .all_ok
    xor  eax,eax
;-------------------------------