GetBlue           110 ext/gd/libgd/webpimg.c   const int b = GetBlue(rgba);
GetBlue           496 ext/gd/libgd/webpimg.c       GetBlue(rgb_line1 + 0) + GetBlue(rgb_line1 + 1) +
GetBlue           497 ext/gd/libgd/webpimg.c       GetBlue(rgb_line2 + 0) + GetBlue(rgb_line2 + 1);
GetBlue           516 ext/gd/libgd/webpimg.c     const int sum_b = GetBlue(rgb_line1) + GetBlue(rgb_line2);