D_PROTOTYPE
if (dflags & D_PROTOTYPE)
dflags |= D_PROTOTYPE;
if (diff_format == D_UNSET && (dflags & D_PROTOTYPE) != 0)
#define D_NEWALGO_FLAGS (D_FORCEASCII | D_PROTOTYPE | D_IGNOREBLANKS)
if (flags & (D_PROTOTYPE | D_MATCHLAST)) {
if (flags & (D_PROTOTYPE | D_MATCHLAST)) {
if (flags & D_PROTOTYPE)