diff --git a/examples/brainfuck.zr b/examples/brainfuck.zr
index b679f77..e3d80e7 100644
--- a/examples/brainfuck.zr
+++ b/examples/brainfuck.zr
@@ -43,4 +43,6 @@ func main[] : I64
                         closed = closed - 1
                     i = i - 1
 
-        i = i + 1
\ No newline at end of file
+        i = i + 1
+
+    c.free(memory)
\ No newline at end of file
diff --git a/examples/curl.zr b/examples/curl.zr
index 10ac275..0c02309 100644
--- a/examples/curl.zr
+++ b/examples/curl.zr
@@ -1,7 +1,24 @@
-func main[] : I64
-    // TODO: parse url
-    let host: String = "devernay.free.fr"
-    let path: String = "/hacks/chip8/C8TECH10.HTM"
+func main[argc: I64, argv: Ptr] : I64
+    if argc < 2
+        dbg.panic("url missing")
+
+    let url: String = _builtin_deref64(argv + 8)
+
+    if c.strncmp(url, "http://", 7) != 0
+        dbg.panic("invalid url scheme")
+    
+    let url_len: I64 = c.strlen(url)
+    let host_start: I64 = 7
+    let i: I64 = host_start
+    while i < url_len
+        if str.nth(url, i) == '/'
+            break
+        i = i + 1
+
+    let host: String = str.substr(url, host_start, i - host_start)
+    let path: String = "/"
+    if i < url_len
+        path = str.substr(url, i, url_len - i)
 
     let s: I64 = net.connect(host, 80)
     if s < 0
@@ -22,7 +39,7 @@ func main[] : I64
         if n <= 0
             break
         let current_size: I64 = header_size + n
-        let i: I64 = 0
+        i = 0
         while i <= current_size - 4
             let p: Ptr = header_buf + i
             if str.nth(p, 0) == 13 & str.nth(p, 1) == 10 & str.nth(p, 2) == 13 & str.nth(p, 3) == 10
diff --git a/examples/euler13.zr b/examples/euler13.zr
index 1bd21eb..f38ca93 100644
--- a/examples/euler13.zr
+++ b/examples/euler13.zr
@@ -1,4 +1,5 @@
 func main[] : I64
+    // leaks a bit of memory but looks very cool
     37107287533 + 46376937677 + 74324986199 + 91942213363 + 23067588207 + 89261670696 + 28112879812 + 44274228917 + 47451445736 + 70386486105 + 62176457141 + 64906352462 + 92575867718 + 58203565325 + 80181199384 + 35398664372 + 86515506006 + 71693888707 + 54370070576 + 53282654108 + 36123272525 + 45876576172 + 17423706905 + 81142660418 + 51934325451 + 62467221648 + 15732444386 + 55037687525 + 18336384825 + 80386287592 + 78182833757 + 16726320100 + 48403098129 + 87086987551 + 59959406895 + 69793950679 + 41052684708 + 65378607361 + 35829035317 + 94953759765 + 88902802571 + 25267680276 + 36270218540 + 24074486908 + 91430288197 + 34413065578 + 23053081172 + 11487696932 + 63783299490 + 67720186971 + 95548255300 + 76085327132 + 37774242535 + 23701913275 + 29798860272 + 18495701454 + 38298203783 + 34829543829 + 40957953066 + 29746152185 + 41698116222 + 62467957194 + 23189706772 + 86188088225 + 11306739708 + 82959174767 + 97623331044 + 42846280183 + 55121603546 + 32238195734 + 75506164965 + 62177842752 + 32924185707 + 99518671430 + 73267460800 + 76841822524 + 97142617910 + 87783646182 + 10848802521 + 71329612474 + 62184073572 + 66627891981 + 60661826293 + 85786944089 + 66024396409 + 64913982680 + 16730939319 + 94809377245 + 78639167021 + 15368713711 + 40789923115 + 44889911501 + 41503128880 + 81234880673 + 82616570773 + 22918802058 + 77158542502 + 72107838435 + 20849603980 + 53503534226
     |> str.from_i64()
     |> str.substr(0, 10)
diff --git a/examples/quicksort.zr b/examples/quicksort.zr
index eddd5f5..6b899a8 100644
--- a/examples/quicksort.zr
+++ b/examples/quicksort.zr
@@ -33,4 +33,6 @@ func main[] : I64
     quicksort(arr)
 
     for i in 0..array.size(arr)
-        io.print_i64(arr[i])
\ No newline at end of file
+        io.print_i64(arr[i])
+
+    array.free(arr)
\ No newline at end of file
diff --git a/examples/rule110.zr b/examples/rule110.zr
index a9a751c..03cb9bc 100644
--- a/examples/rule110.zr
+++ b/examples/rule110.zr
@@ -15,14 +15,13 @@ func rule110_step[state: Array] : Array
 
     return new_state
 
-func to_str[state: Array]: String
-    let out: String = malloc(array.size(state))
+func print_state[state: Array]: Void
     for i in 0..array.size(state)
         if state[i]
-            str.set(out, i, '#')
+            c.putchar('#')
         else
-            str.set(out, i, ' ')
-    return out
+            c.putchar(' ')
+    io.print("")
 
 func main[] : I64
     let SIZE: I64 = 60
@@ -32,7 +31,9 @@ func main[] : I64
         array.push(state, false)
     array.push(state, true)
 
-    io.print(to_str(state))
+    print_state(state)
     for i in 0..SIZE
         state = rule110_step(state)
-        io.print(to_str(state))
\ No newline at end of file
+        print_state(state)
+
+    array.free(state)
\ No newline at end of file
diff --git a/examples/tcp_client.zr b/examples/tcp_client.zr
deleted file mode 100644
index c3905e5..0000000
--- a/examples/tcp_client.zr
+++ /dev/null
@@ -1,13 +0,0 @@
-func main[] : I64
-    let s: I64 = net.connect("devernay.free.fr", 80)
-
-    let req: String = "GET /hacks/chip8/C8TECH10.HTM HTTP/1.0\r\nHost: devernay.free.fr\r\nConnection: close\r\n\r\n"
-    c.send(s, req, c.strlen(req), 0)
-
-    let resp: String = c.malloc(60000)
-    let n: I64 = c.read(s, resp, 60000)
-    str.set(resp, n, 0)
-    io.print(resp)
-    c.free(resp)
-
-    c.close(s)
\ No newline at end of file
diff --git a/src/codegen_x86_64.rs b/src/codegen_x86_64.rs
index 76ffced..d78b0c1 100644
--- a/src/codegen_x86_64.rs
+++ b/src/codegen_x86_64.rs
@@ -103,7 +103,7 @@ section .text
         );
 
         // take that rustfmt
-        for name in "malloc,calloc,realloc,free,puts,printf,sprintf,snprintf,strtol,strlen,strcmp,strcat,strcpy,strdup,strncpy,syscall,fopen,fseek,ftell,fread,fwrite,fclose,rewind,system,opendir,readdir,closedir,exit,gettimeofday,connect,socket,send,write,read,close,bind,listen,accept,getchar,gethostbyname".split(",")
+        for name in "malloc,calloc,realloc,free,puts,putchar,printf,sprintf,snprintf,strtol,strlen,strcmp,strncmp,strcat,strcpy,strdup,strncpy,syscall,fopen,fseek,ftell,fread,fwrite,fclose,rewind,system,opendir,readdir,closedir,exit,gettimeofday,connect,socket,send,write,read,close,bind,listen,accept,getchar,gethostbyname".split(",")
         {
             emit!(&mut self.output, "extern {}", name);
             emit!(&mut self.output, "c.{} equ {}", name, name);
diff --git a/src/tokenizer.rs b/src/tokenizer.rs
index 85e861c..f360b28 100644
--- a/src/tokenizer.rs
+++ b/src/tokenizer.rs
@@ -280,13 +280,8 @@ impl Tokenizer {
     fn count_indentation(&mut self) -> usize {
         let mut count = 0;
 
-        while self.peek() == ' ' || self.peek() == '\t' {
-            if self.peek() == ' ' {
-                count += 1;
-            }
-            if self.peek() == '\t' {
-                count += 4;
-            }
+        while self.peek() == ' ' {
+            count += 1;
             self.advance();
         }
         count
diff --git a/test.zr b/test.zr
index 2b6236a..7d10e39 100644
--- a/test.zr
+++ b/test.zr
@@ -14,8 +14,12 @@ func run_test[x: String] : Void
         c.printf("\033[93mSkipping %s...\033[0m\n", x)
     else
         let run_start_time: I64 = os.time()
-        if c.system("./out") != 0
-            c.exit(1)
+        if c.strcmp(x, "curl.zr") == 0
+            if c.system("./out http://devernay.free.fr/hacks/chip8/C8TECH10.HTM") != 0
+                c.exit(1)
+        else
+            if c.system("./out") != 0
+                c.exit(1)
         let run_end_time: I64 = os.time()
 
         c.printf("\033[93mRunning %s...\033[0m %ldms\n", x, run_end_time - run_start_time)
@@ -25,4 +29,6 @@ func main[] : I64
 
     let files: Array = os.listdir("examples/")
     for i in 0..array.size(files)
-        run_test(files[i])
\ No newline at end of file
+        run_test(files[i])
+    
+    array.free(files)
\ No newline at end of file