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@@ -0,0 +1,40 @@
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+/* SPDX-License-Identifier: GPL-2.0+ */
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+/*
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+ * (C) Copyright 2000-2009
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+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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+ */
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+
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+#ifndef __RAND_H
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+#define __RAND_H
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+
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+#define RAND_MAX -1U
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+
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+/**
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+ * srand() - Set the random-number seed value
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+ *
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+ * This can be used to restart the pseudo-random-number sequence from a known
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+ * point. This affects future calls to rand() to start from that point
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+ *
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+ * @seed: New seed
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+ */
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+void srand(unsigned int seed);
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+
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+/**
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+ * rand() - Get a 32-bit pseudo-random number
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+ *
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+ * @returns next random number in the sequence
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+ */
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+unsigned int rand(void);
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+
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+/**
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+ * rand_r() - Get a 32-bit pseudo-random number
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+ *
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+ * This version of the function allows multiple sequences to be used at the
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+ * same time, since it requires the caller to store the seed value.
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+ *
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+ * @seed value to use, updated on exit
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+ * @returns next random number in the sequence
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+ */
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+unsigned int rand_r(unsigned int *seedp);
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+
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+#endif
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