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Pseudo-random number generation

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< c‎ | numeric

Compiler support

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Floating-point environment (C99)

Pseudo-random number generation

Complex number arithmetic (C99)

Type-generic math (C99)

Bit manipulation (C23)

Checked integer arithmetic (C23)

Pseudo-random number generation

Defined in header <stdlib.h>

generates a pseudo-random number
(function) [edit]

seeds pseudo-random number generator
(function) [edit]

maximum possible value generated by rand ()
(macro constant) [edit]

[edit] References

C23 standard (ISO/IEC 9899:2024):

7.22.2 Pseudo-random sequence generation functions (p: TBD)

C17 standard (ISO/IEC 9899:2018):

7.22.2 Pseudo-random sequence generation functions (p: 252-253)

C11 standard (ISO/IEC 9899:2011):

7.22.2 Pseudo-random sequence generation functions (p: 346-347)

C99 standard (ISO/IEC 9899:1999):

7.20.2 Pseudo-random sequence generation functions (p: 312-313)

C89/C90 standard (ISO/IEC 9899:1990):

4.10.2 Pseudo-random sequence generation functions

[edit] See also

C++ documentation for Pseudo-random number generation

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