1 // Copyright 2018 Espressif Systems (Shanghai) PTE LTD
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //     http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #ifndef __SYS_RANDOM__
16 #define __SYS_RANDOM__
17 
18 #include <sys/types.h>
19 
20 #ifdef __cplusplus
21 extern "C" {
22 #endif
23 
24 ssize_t getrandom(void *buf, size_t buflen, unsigned int flags);
25 
26 #ifdef __cplusplus
27 } // extern "C"
28 #endif
29 
30 #endif //__SYS_RANDOM__
31