arm8.c

gcc-you can use this code to learn something about gcc, and inquire further into linux,

// Build don't link: 
// GROUPS passed ARM-compliance
// arm file
// Message-Id: <9303161105.AA29336@slsvitt>
// From: [e-mail] (David Binderman 3841)
// Subject: Page 141 of the ARM
// Date: Tue, 16 Mar 93 12:05:24 +0100

struct K {
      void f( int *p  = 0); // ERROR - previous specification
};

extern int * q;

void K::f( int *p = q);// ERROR - .*