=proto
duk_codepoint_t duk_char_code_at(duk_context *ctx, duk_idx_t index, duk_size_t char_offset);

=stack
[ ... str! ... ]

=summary
<p>Get the codepoint of a character at character offset <code>char_offset</code>
of a string at <code>index</code>.  If the value at <code>index</code> is not
a string, an error is thrown.  If <code>char_offset</code> is invalid (outside
the string) a zero is returned.</p>

=example
printf("char code at char index 12: %ld\n", (long) duk_char_code_at(ctx, -3, 12));

=tags
string