Improve boilerplate.

boilerplate.c

@@ -2,10 +2,14 @@
 #include <stdint.h>
 #include <stdbool.h>
 
+#define DEFAULT_FILE        "input.txt"
+#define STRBUF_LEN          200
+#define ISDIGIT(X)      (X >= '0' && X <= '9')
+
 int main(int argc, char **argv)
 {
-    // Get filename as an argument, defaults to "input.txt"
+    // Get filename as an argument, if there is one
-    char *path = (argc > 1) ? argv[1] : "input.txt";
+    char *path = (argc > 1) ? argv[1] : DEFAULT_FILE;
 
     if (!path)
     {
@@ -14,6 +18,7 @@ int main(int argc, char **argv)
     }
 
     FILE *file = fopen(path, "r");
+    char strbuf[STRBUF_LEN] = {0};
 
     if (!file)
     {
@@ -21,7 +26,12 @@ int main(int argc, char **argv)
         return 1;
     }
 
-    // Code goes here
+
+    while (fgets(strbuf, STRBUF_LEN, file))
+    {
+        // Code goes here
+        
+    }
 
     return 0;
 }