add: malloc and free APIs

malloc doesn't work on Windows, TOFIX

src/api.c

@@ -53,6 +53,21 @@ void api_print() {
     dprintf(f, "%s", address);
 }
 
+void api_free() {
+    void *addr = (void *)state->STACK[state->STACK_IDX--];
+    free_(addr);
+}
+
+void api_malloc() {
+    long size = state->STACK[state->STACK_IDX--];
+#ifdef _WIN32
+    state->registers->eax = 0;
+    return;
+#else
+    state->registers->eax = (long long)malloc(size);
+#endif
+}
+
 void api_callrawaddr() {
     long long address = state->STACK[state->STACK_IDX--];
 

src/api.h

@@ -3,6 +3,8 @@
 
 void api_put();
 void api_print();
+void api_free();
+void api_malloc();
 void api_callrawaddr();
 
 // generated APIs here
@@ -15,6 +17,8 @@ void api_GetAsyncKeyState();
 static const command_t api_map[] = {
     {.command = "put", .fptr = api_put},
     {.command = "print", .fptr = api_print},
+    {.command = "malloc", .fptr = api_malloc},
+    {.command = "free", .fptr = api_free},
     {.command = "CallRawAddress", .fptr = api_callrawaddr},
 
 // generated APIs here