+bool PlayerInList(entity player, string list);
+
+/// \brief Print the string to the client's chat.
+/// \param[in] client Client to print to.
+/// \param[in] text Text to print.
+void PrintToChat(entity client, string text);
+
+/// \brief Print the string to the client's chat if the server cvar "developer"
+/// is not 0.
+/// \param[in] client Client to print to.
+/// \param[in] text Text to print.
+void DebugPrintToChat(entity client, string text);
+
+/// \brief Prints the string to all clients' chat.
+/// \param[in] text Text to print.
+void PrintToChatAll(string text);
+
+/// \brief Prints the string to all clients' chat if the server cvar "developer"
+/// is not 0.
+/// \param[in] text Text to print.
+void DebugPrintToChatAll(string text);
+
+/// \brief Print the string to chat of all clients of the specified team.
+/// \param[in] team_num Team to print to. See NUM_TEAM constants.
+/// \param[in] text Text to print.
+void PrintToChatTeam(int team_num, string text);
+
+/// \brief Print the string to chat of all clients of the specified team if the
+/// server cvar "developer" is not 0.
+/// \param[in] team_num Team to print to. See NUM_TEAM constants.
+/// \param[in] text Text to print.
+void DebugPrintToChatTeam(int team_num, string text);
+