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A simple, common example
```
struct ndpi_detection_module_struct *ndpi_struct;
ndpi_cfg_error rc;
int ret;
ndpi_struct = ndpi_init_detection_module(NULL);
if(!ndpi_struct) {
ERROR;
}
/* Configuration */
rc = ndpi_set_config(ndpi_struct, "tls", "certificate_expiration_threshold", "10");
if(rc != NDPI_CFG_OK) {
ERROR;
}
/* Finalization */
ret = ndpi_finalize_initialization(ndpi_struct);
if(ret != 0) {
ERROR;
}
/* Initialization done, now you can feed packets to the library */
/* Cleanup */
ndpi_exit_detection_module(ndpi_struct);
```
A more complex example, with global context and a shared Oookla LRU cache (all the others caches are local)
```
struct ndpi_global_context *g_ctx;
struct ndpi_detection_module_struct *ndpi_structs[num_local_contexts];
ndpi_cfg_error rc;
int i, ret;
g_ctx = ndpi_global_init();
if(!g_ctx) {
ERROR;
}
for(i = 0; i < num_local_contexts; i++) {
ndpi_structs[i] = ndpi_init_detection_module(g_ctx);
if(!ndpi_struct[i]) {
ERROR;
}
rc = ndpi_set_config(ndpi_structs[i], NULL, "lru.ookla.scope", "1");
if(rc != NDPI_CFG_OK) {
ERROR;
}
ret = ndpi_finalize_initialization(ndpi_structs[i]);
if(ret != 0) {
ERROR;
}
}
/* Initialization done */
/* Cleanup */
for(i = 0; i < num_local_contexts; i++) {
ndpi_exit_detection_module(ndpi_structs[i]);
}
ndpi_global_deinit(g_ctx);
```
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