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You may want to be careful that the random username and random password are independently seeded, or someone other than the user could be able to deduce the password that goes with a given username.
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You may want to be careful that the random username and random password are independently seeded, or someone other than the user could be able to deduce the password that goes with a given username.

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I want to randomly generate an username and password each of size 20 using c.how do i go about it ...
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I want to randomly generate an username and password each of size 20 using c.how do i go about it ...

Random generation of username and password

C is a general-purpose, imperative computer programming language, supporting structured programming, lexical variable scope and recursion, while a static type system prevents many unintended operations. By design, C provides constructs that map efficiently to typical machine instructions, so it has found lasting use in applications that had formerly been coded in assembly language, including operating systems as well as various application software for computers ranging from supercomputers to embedded systems. It is distinct from C++ (which has its roots in C) and C#, and many later languages have borrowed directly or indirectly from C.