The GNU C Library - Sysconf Definition

Node: Sysconf Definition Next: Constants for Sysconf Up: Sysconf

Definition of sysconf

Function long int sysconf (int parameter)
This function is used to inquire about runtime system parameters. The parameter argument should be one of the `_SC_' symbols listed below.

The normal return value from sysconf is the value you requested. A value of -1 is returned both if the implementation does not impose a limit, and in case of an error.

The following errno error conditions are defined for this function:

EINVAL
The value of the parameter is invalid.

Next: Constants for Sysconf Up: Sysconf