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

Definition of sysconf

long int sysconf (int parameter)

Function

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.