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## __rndr

# Function __rndr

Source

    pub unsafe fn __rndr(value: *mut u64) -> i32

🔬This is a nightly-only experimental API. (`stdarch_aarch64_rand` #153514)
Available on target feature `rand` and (AArch64 or ARM64EC) only.
Expand description

Stores a 64-bit random number into the object pointed to by the argument and returns zero. If the implementation could not generate a random number within a reasonable period of time the object pointed to by the input is set to zero and a non-zero value is returned.