name: duk_get_c_function

proto: |
  duk_c_function duk_get_c_function(duk_context *ctx, duk_idx_t idx);

stack: |
  [ ... val! ... ]

summary: |
  <p>Get the Duktape/C function pointer (a <code>duk_c_function</code>) from an
  ECMAScript function object associated with a Duktape/C function.  If the
  value is not such a function or <code>idx</code> is invalid, returns <code>NULL</code>.</p>

  <p>If you prefer an error to be thrown for an invalid value or index, use
  <code><a href="#duk_require_c_function">duk_require_c_function()</a></code>.</p>

example: |
  duk_c_function funcptr;

  funcptr = duk_get_c_function(ctx, -3);

tags:
  - stack
  - function

seealso:
  - duk_get_c_function_default

introduced: 1.0.0