Re: xnu-1228 header files

• Subject: Re: xnu-1228 header files
• From: Jonas Maebe <email@hidden>
• Date: Fri, 21 Mar 2008 22:38:47 +0100
• Delivered-to: email@hidden
• Delivered-to: email@hidden

=====
#include <sys/sysctl.h>

int main(int argc, char **argv)
{
 return 0;
}
=====

however that include generates a "previous definition" error via the
"_structs.h" header file:

====
macbook. g++ -I/Users/username/xnu-1228/bsd -Wall -o bug bug.c
/usr/include/time.h:89: error: redefinition of ‘struct timespec’
/Users/augusto/xnu-1228/bsd/sys/_structs.h:89: error: previous definition of
‘struct timespec’
====

is this a bug or am i performing a bad include?

If you look at "man 3 sysctl", you can see:

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <sys/types.h>
     #include <sys/sysctl.h>
...

So you have to include sys/types.h before you include sys/sysctl.h

Jonas _______________________________________________
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