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# thread_local

From cppreference.com
< c‎ | thread

Defined in header `<threads.h>` |  |
#define ONCE_FLAG_INIT /* unspecified */ |  | (since C11)

Expands to a value that can be used to initialize an object of type once_flag.

### [edit] See also

call_once (C11) | calls a function exactly once (function) [edit]

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