--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/decodeurl.c	Wed Jun 22 19:37:21 2022 -0400
@@ -0,0 +1,38 @@
+// C port of decodeurl.cpp
+#include <curl/curl.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#define ENCODED_SIZE 8192
+
+int main(int argc, char* argv[]) {
+    int c;
+    if (argc != 3) {
+        printf("usage: %s <input> <output>\n", argv[0]);
+        return 1;
+    }
+    char encoded[ENCODED_SIZE] = {'\0'};
+    CURL* curl = curl_easy_init();
+    char data[256];
+    FILE* in = fopen(argv[1], "r");  // this is unsafe, but meh
+    FILE* out = fopen(argv[2], "w");
+    if (in == NULL || out == NULL) {
+        printf("Failed to open file(s)!\n");
+        return 1;
+    }
+    char* p = &encoded[strlen(encoded)];
+    while ((c = fgetc(in)) != EOF) {
+        *p++ = c;
+        if (p == &encoded[ENCODED_SIZE-1]) break;
+    }
+    *p = '\0';
+    rewind(in);  // we probably don't need this!!
+    char* decoded = curl_easy_unescape(curl, encoded, 0, NULL);
+    fprintf(out, "%s", decoded);
+    // fwrite(decoded, sizeof(char), sizeof(decoded), in);
+    curl_easy_cleanup(curl);
+    fclose(in);
+    fclose(out);
+    return 0;
+}