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extern _printf
SECTION .data ; Data section, initialized variables
newmsg: db "We are now from data section into an external function ;) ",10,0
global _extfun ; the standard gcc entry point
_extfun: ; the program label for the entry point
push ebp ; set up stack frame
mov ebp,esp
push dword newmsg ; address of ctrl string
call _printf ; Call C function
add esp, 4 ; pop stack 3 push times 4 bytes
mov esp, ebp ; takedown stack frame
pop ebp ; same as "leave" op
xor eax,eax ; normal, no error, return value
ret
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