works for the most part

source/cli.cpp

@@ -0,0 +1,46 @@
+#include "cli.h"
+
+#include <getopt.h>
+#include <stdio.h>
+
+const char * const version =
+# include "version.inc"
+;
+
+const char * help_message =
+"?! [options] <file>+\n"
+"    -c        : the input is to be force interpeted as CSML\n"
+"    -x        : the input is to be force interpeted as XML/HTML\n"
+"    -o <file> : specify output file name for the NEXT file\n"
+"    -q <char> : use <char> for quoting (default: \"'\")\n"
+"    -v        : print version and quit\n"
+"    -h        : print help and quit\n"
+;
+
+signed parse_r1_arguments(int argc, char * * argv){
+	const char * const optstring = "hv" "cxo:q:";
+
+    static struct option long_options[] = {
+        {"help", no_argument, 0, 'h'},
+        {"version", no_argument, 0, 'v'},
+        {0, 0, 0, 0}
+    };
+	
+	char opt;
+    while ((opt = getopt_long(argc, argv, optstring, long_options, NULL)) != -1) {
+        switch (opt) {
+            case 'h': {
+				fputs(help_message, stdout);
+			} return 1;
+            case 'v': {
+				fputs(version, stdout);
+			} return 1;
+            case '?': {
+			} return 2;
+			default: {
+			} break;
+        }
+    }
+
+	return 0;
+}