Function esp_idf_sys::mbedtls_x509_set_extension

pub unsafe extern "C" fn mbedtls_x509_set_extension(
    head: *mut *mut mbedtls_asn1_named_data,
    oid: *const c_char,
    oid_len: usize,
    critical: c_int,
    val: *const c_uchar,
    val_len: usize
) -> c_int