Checkpoint before working on linkedlist stuff

05/05.c

@@ -0,0 +1,54 @@
+#include <stdio.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include "llist.h"
+
+#define DEFAULT_FILE    "input.txt"
+#define STRBUF_LEN      200
+#define ISDIGIT(X)      (X >= '0' && X <= '9')
+
+uint64_t parse_digit(char *str);
+
+linked_list parse_seeds(char *str)
+{
+    linked_list seeds;
+    ll_init(&seeds);
+
+    while (!ISDIGIT(str)) str++;
+
+    while (*str != '\n')
+    {
+        uint64_t seed = parse_digit(str);
+        
+    }
+}
+
+int main(int argc, char **argv)
+{
+    // Get filename as an argument, if there is one
+    char *path = (argc > 1) ? argv[1] : DEFAULT_FILE;
+
+    if (!path)
+    {
+        printf("Requires input file.\n");
+        return 1;
+    }
+
+    FILE *file = fopen(path, "r");
+    char strbuf[STRBUF_LEN] = {0};
+
+    if (!file)
+    {
+        printf("Could not find file.");
+        return 1;
+    }
+
+
+    while (fgets(strbuf, STRBUF_LEN, file))
+    {
+        // Code goes here
+        
+    }
+
+    return 0;
+}