N_TXTOFF
off = addr - N_TXTADDR(e) + N_TXTOFF(e);
p += N_TXTOFF(f, a);
DPRINTF("file offset = 0x%x\n", N_TXTOFF(f, a));
fileofs = COFF_ROUND(N_TXTOFF(_fh, _ah), 16);
N_ALIGN(ex, N_TXTOFF(ex) + (ex).a_text)
N_ALIGN(ex, N_TXTOFF(ex) + (ex).a_text)
N_ALIGN(ex, N_TXTOFF(ex) + (ex).a_text)
voff += N_TXTOFF(ebuf) - N_TXTADDR(ebuf);
*fileoffp = vmaddr - N_TXTADDR(*execp) + N_TXTOFF(*execp);