memory function net+os 6.3 gnu on digiconnectme

Hello,I’m porting a code to net+os 6.3. In my original code I use memory.h , sys/shm.h and function such as shm_open…to make a shared memory. But those are not provided in net+os 6.3. How can I do to port my code, there not equivalent? Please help adrien.bureau@gmail.com