--- ppmtocpva-1.0/ppmtocpva.c.includes 2001-08-04 17:22:24.000000000 -0400 +++ ppmtocpva-1.0/ppmtocpva.c 2005-02-09 06:53:12.044956214 -0500 @@ -17,6 +17,7 @@ #include <unistd.h> #include <math.h> #include <assert.h> +#include <string.h> #include <pgm.h> #include <ppm.h>