Add files

.gitignore

@@ -0,0 +1,2 @@
+obj/
+game

Makefile

@@ -0,0 +1,27 @@
+OUT = game
+CFLAGS =
+LDFLAGS =
+INCLUDE = -Iinclude
+CC  = cc
+LD  = ld
+RM  = rm -f
+SRCDIR = src
+OBJDIR = obj
+SRC = main.c screen.c
+OBJ = $(addprefix $(OBJDIR)/,$(SRC:.c=.o))
+
+default: $(OUT)
+
+obj:
+	mkdir obj
+
+$(OBJDIR)/%.o: $(SRCDIR)/%.c
+	$(CC) -c -o $@ $< $(CFLAGS) $(INCLUDE)
+
+$(OUT): obj $(OBJ)
+	$(CC) -o $@ $(OBJ) $(LDFLAGS)
+
+clean:
+	$(RM) $(OUT) $(OBJDIR)/*
+
+.PHONY: default clean

include/screen.h

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+#ifndef __SCREEN_H__
+#define __SCREEN_H__
+
+typedef struct screen_t
+{
+    int width;
+    int height;
+    char *screen;
+} Screen;
+typedef char Point;
+
+Screen *screenCreate(int width, int height, Point fill_value);
+void screenFree(Screen *screen);
+
+Point *screenGetPoint(Screen *screen, int x, int y);
+void screenShow(Screen *screen);
+
+#endif /* __SCREEN_H__ */

src/main.c

@@ -0,0 +1,8 @@
+#include "screen.h"
+
+int main(int argc, char **argv)
+{
+    Screen *screen = screenCreate(5, 5, '#');
+    screenShow(screen);
+    return 0;
+}

src/screen.c

@@ -0,0 +1,45 @@
+#include "screen.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+Screen *screenCreate(int width, int height, Point fill_value)
+{
+    Point *screen = malloc(width * height * sizeof(Point));
+    memset(screen, fill_value, width * height * sizeof(Point));
+
+    Screen *out = malloc(sizeof(Screen));
+    out->width = width;
+    out->height = height;
+    out->screen = screen;
+    return out;
+}
+
+void screenFree(Screen *screen)
+{
+    free(screen->screen);
+    free(screen);
+}
+
+Point *screenGetPoint(Screen *screen, int x, int y)
+{
+    return screen->screen + x + (y * screen->width);
+}
+
+void screenShow(Screen *screen)
+{
+    int x, y, i;
+    int width = screen->width;
+    int height = screen->height;
+    Point point;
+
+    for (y = 0; y < height; ++y)
+    {
+        for (x = 0; x < width; ++x)
+        {
+            point = *screenGetPoint(screen, x, y);
+            for (i = 0; i < 2; ++i) putchar(point);
+        }
+        putchar('\n');
+    }
+}