[erlang-questions] [Erlang][Request] Invoke C funtion in Erlang

[郎咸武]

hi,
I using nif mehod to Invoke C funtion in Erlang.
come code：
1,
char *y;
if (!enif_get_string(env, argv[0], y, *sizeof(y)*, ERL_NIF_LATIN1))

I input "123456" args, but only return "123".

2,char *y;
if (!enif_get_string(env, argv[0], y, *10*, ERL_NIF_LATIN1))

this only appear Segmentation fault

I have no idea.
Please help me.

Thanks.
>From jason.
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