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_rand_r()

4.20 _rand_r()

Defined in stdlib.h, the _rand_r() function is a reentrant version of the rand() function.

Syntax

int _rand_r(struct _rand_state * buffer);
where:
buffer
is a pointer to a user-supplied buffer storing the state of the random number generator.

Usage

This function enables you to explicitly supply your own buffer in thread-local storage.
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