814     const char *flagstr = luaL_checklstring(L, 2, &len);  in mcplib_request_has_flag()  local
819     if (flagstr[0] < 65 || flagstr[0] > 122) {  in mcplib_request_has_flag()
823     uint64_t flagbit = (uint64_t)1 << (flagstr[0] - 65);  in mcplib_request_has_flag()
838     const char *flagstr = luaL_checklstring(L, 2, &len);  in mcplib_request_flag_token()  local
844     if (flagstr[0] < 65 || flagstr[0] > 122) {  in mcplib_request_flag_token()
852     uint64_t flagbit = (uint64_t)1 << (flagstr[0] - 65);  in mcplib_request_flag_token()
861             if (s[0] == flagstr[0]) {  in mcplib_request_flag_token()
894     const char *flagstr = luaL_checklstring(L, 2, &len);  in mcplib_request_flag_token_int()  local
899     if (flagstr[0] < 65 || flagstr[0] > 122) {  in mcplib_request_flag_token_int()
904     uint64_t flagbit = (uint64_t)1 << (flagstr[0] - 65);  in mcplib_request_flag_token_int()
911             if (s[0] == flagstr[0]) {  in mcplib_request_flag_token_int()
943     const char *flagstr = luaL_checklstring(L, idx, &len);  in _mcp_request_get_arg_flag()  local
949     if (flagstr[0] < 65 || flagstr[0] > 122) {  in _mcp_request_get_arg_flag()
954     return flagstr[0];  in _mcp_request_get_arg_flag()