wip args

src/args.h

@@ -1,3 +1,6 @@
+#include <stdio.h>
+#include <string.h>
+
 #ifndef ARGS_H
 #define ARGS_H
 
@@ -5,13 +8,17 @@ struct Parameters {
   unsigned long width;
   unsigned long height;
   char *file_path;
-  unsigned char start[3];
-  unsigned char slope[2];
-  unsigned char var[3];
+  unsigned int size;
+  float slope;
+  float start[3];
+  float var[3];
 };
 
 typedef struct Parameters parameters;
 
 parameters parse_args(int argc, char **argv);
 
+const parameters EMPTY_PARAMS = {
+    0, 0, NULL, 0, 0.0, {0.0, 0.0, 0.0}, {0.0, 0.0, 0.0}};
+
 #endif