N_DRSIZE 80 arch/alpha/include/uapi/asm/a.out.h #define N_DRSIZE(x) 0 N_DRSIZE 18 arch/m68k/include/uapi/asm/a.out.h #define N_DRSIZE(a) ((a).a_drsize) N_DRSIZE 18 arch/x86/include/uapi/asm/a.out.h #define N_DRSIZE(a) ((a).a_drsize)