FALSE              58 contrib/gregbook/readpng.h #  define FALSE 0
FALSE              58 contrib/gregbook/readpng2.h #  define FALSE 0
FALSE              58 contrib/gregbook/writepng.h #  define FALSE 0
FALSE              30 contrib/pngminus/png2pnm.c #define FALSE (BOOL) 0
FALSE              30 contrib/pngminus/pnm2png.c #define FALSE (BOOL) 0