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Re: __ prefix in system call

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Re: __ prefix in system call

Subject: Re: __ prefix in system call
From: Jean-Daniel Dupas <email@hidden>
Date: Thu, 22 Apr 2010 23:23:59 +0200

Le 22 avr. 2010 à 23:16, Ariel Feinerman a écrit :

> Hi,
>
> I look at libc`s posix_spawn() function, one calls __posix_spawn() internally, I think __posix_spawn() is system call, but I learn xnu source by grep carefully, threre is only one function: posix_spawn(). What is __ ?


nm libSystem.dylib
0000000000048020 t ___posix_spawn

Answer: a libSystem internal symbol (aka implementation detail).  What are you trying to do ?


-- Jean-Daniel




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	>__ prefix in system call (From: Ariel Feinerman <email@hidden>)

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