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_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.