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SQLITE3_RANDOMNESS(3) Library Functions Manual SQLITE3_RANDOMNESS(3) NAME sqlite3_randomness - Pseudo-Random Number Generator SYNOPSIS void sqlite3_randomness(int N, void *P); DESCRIPTION SQLite contains a high-quality pseudo-random number generator (PRNG) used to select random ROWIDs when inserting new records into a table that already uses the largest possible ROWID. The PRNG is also used for the build-in random() and randomblob() SQL functions. This interface allows applications to access the same PRNG for other purposes. A call to this routine stores N bytes of randomness into buffer P. The P parameter can be a NULL pointer. If this routine has not been previously called or if the previous call had N less than one or a NULL pointer for P, then the PRNG is seeded using randomness obtained from the xRandomness method of the default sqlite3_vfs object. If the previous call to this routine had an N of 1 or more and a non-NULL P then the pseudo-randomness is generated internally and without recourse to the sqlite3_vfs xRandomness method. SEE ALSO sqlite3_vfs(3) NetBSD 8.0 March 11, 2017 NetBSD 8.0