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The GNU C Library

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31.4 Using sysconf

When your system has configurable system limits, you can use the sysconf function to find out the value that applies to any particular machine. The function and the associated parameter constants are declared in the header file `unistd.h'.

31.4.1 Definition of sysconf  Detailed specifications of sysconf.
31.4.2 Constants for sysconf Parameters  The list of parameters sysconf can read.
31.4.3 Examples of sysconf  How to use sysconf and the parameter macros properly together.

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