#pragma once struct cipher_suite { int value; const char* name; }; enum chello_parse_result { CHELLO_PARSE_SUCCESS = 0, CHELLO_PARSE_INVALID_FORMAT = -1, CHELLO_PARSE_NOT_ENOUGH_BUFF = -2 }; struct ssl_version { uint8_t minor; uint8_t major; uint16_t ossl_format; }; struct ssl_chello { struct ssl_version min_version; struct ssl_version max_version; char* sni; char* alpn; char* cipher_suites; char* cipher_suites_tls13; }; struct ssl_chello* ssl_chello_parse(const unsigned char* buff, size_t buff_len, enum chello_parse_result* result); void ssl_chello_free(struct ssl_chello* chello);