this hasn't worked for a long time, I might choose to re-impl if I have time

lua/snippets/c.lua

@@ -1,46 +1,4 @@
-require("core.snippets.shorthands")
-
---- create a decleration of a function from it's definition using treesitter
----@param func string
----@return string|nil
-local function c_func(func)
-  local tree = vim.treesitter.get_parser():parse()[1]:root()
-
-  local q = vim.treesitter.query.parse("c", "(function_definition) @f")
-  local matches = q:iter_matches(tree, 0)
-
-  vim.treesitter.query.parse("c", "(identifier) @i")
-  local m = q:iter_matches(matches, 0)
-  print(vim.treesitter.get_node_text(m:child(), 0))
-
-  if true then
-    return
-  end
-
-  for _, match in matches do
-    for _, node in pairs(match) do
-      if not node or not node:child(1) or not node:child(1):child() then
-        -- print(vim.treesitter.get_node_text(node:child(1):child(), 0))
-        goto continue
-      end
-
-      if vim.treesitter.get_node_text(node:child(1):child(), 0) == func then
-        local def = ""
-        for i = 0, node:child_count() - 2 do
-          def = def..vim.treesitter.get_node_text(node:child(i), 0)
-          if i < node:child_count() - 2 then
-            def = def.." "
-          end
-        end
-        -- Print the function name using node text
-        return def:gsub("\n", "")
-      end
-      ::continue::
-    end
-  end
-
-  return nil
-end
+require('core.snippets.shorthands')
 
 return {
   -- function snippet
@@ -82,19 +40,4 @@ return {
     i(0),
     t({ "", "}" })
   }),
-
-  -- create decleration based on existing c function
-  postfix(".d", {
-    f(function(_, parent)
-      local r = c_func(parent.snippet.env.POSTFIX_MATCH)
-      if not r then
-        return parent.snippet.env.POSTFIX_MATCH
-      end
-      local bidx, aidx = r:find(parent.snippet.env.POSTFIX_MATCH)
-
-      return r:sub(1, bidx - 1)..
-        parent.snippet.env.POSTFIX_MATCH..
-        r:sub(aidx + 1)..";"
-    end, {})
-  })
 }