Add command line source/header files.

src/cmdline.c

@@ -0,0 +1,52 @@
+#include <stdio.h>
+#include <getopt.h>
+
+#include "cmdline.h"
+
+const struct option opts[] =
+{
+    {"config", required_argument, NULL, 'c'},
+    {"offload", no_argument, NULL, 'o'},
+    {"list", no_argument, NULL, 'l'},
+    {"help", no_argument, NULL, 'h'},
+    {NULL, 0, NULL, 0}
+};
+
+void parsecommandline(struct cmdline *cmd, int argc, char *argv[])
+{
+    int c;
+
+    while ((c = getopt_long(argc, argv, "c:lho", opts, NULL)) != -1)
+    {
+        switch (c)
+        {
+            case 'c':
+                cmd->cfgfile = optarg;
+
+                break;
+
+            case 'o':
+                cmd->offload = 1;
+
+                break;
+
+            case 'l':
+                cmd->list = 1;
+
+                break;
+
+            case 'h':
+                cmd->help = 1;
+
+                break;
+
+            case '?':
+                fprintf(stderr, "Missing argument option...\n");
+
+                break;
+
+            default:
+                break;
+        }
+    }
+}

src/cmdline.h

@@ -0,0 +1,11 @@
+#pragma once
+
+struct cmdline
+{
+    char *cfgfile;
+    unsigned int help : 1;
+    unsigned int list : 1;
+    unsigned int offload : 1;
+};
+
+void parsecommandline(struct cmdline *cmd, int argc, char *argv[]);