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This function is used to set the default character set for the current connection. The stringcsname specifies a valid character set name. The connection collation becomes the default collation of the character set. This function works like theSET NAMES statement, but also sets the value ofmysql->charset, and thus affects the character set used bymysql_real_escape_string()

Zero for success. Nonzero if an error occurred.

MYSQL mysql;mysql_init(&mysql);if (!mysql_real_connect(&mysql,"host","user","passwd","database",0,NULL,0)){    fprintf(stderr, "Failed to connect to database: Error: %s\n",          mysql_error(&mysql));}if (!mysql_set_character_set(&mysql, "utf8")){    printf("New client character set: %s\n",           mysql_character_set_name(&mysql));}