random.h 858 B

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  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. #ifndef __SYS_RANDOM__
  15. #define __SYS_RANDOM__
  16. #include <sys/types.h>
  17. #ifdef __cplusplus
  18. extern "C" {
  19. #endif
  20. ssize_t getrandom(void *buf, size_t buflen, unsigned int flags);
  21. #ifdef __cplusplus
  22. } // extern "C"
  23. #endif
  24. #endif //__SYS_RANDOM__