MIN3 310 ext/gd/libgd/gd.c #define MIN3(a,b,c) ((a)<(b)?(MIN(a,c)):(MIN(b,c))) MIN3 6 ext/gd/libgd/gd_intern.h #define MIN3(a,b,c) ((a)<(b)?(MIN(a,c)):(MIN(b,c))) MIN3 70 ext/gd/libgd/gd_interpolation.c #define MIN3(a,b,c) ((a)<(b)?(MIN(a,c)):(MIN(b,c)))