Creates a symbolic link to an existing file. Returns system time. Finds name of a terminal port. Removes a directory entry. Waits for a process to terminate.
Returns bitwise exclusive OR of two operands.
Disassociates a lock variable from any locks. Informs whether dynamic thread adjustment is enabled. Informs whether nested parallelism is enabled. Gets the number of processors that are available to the program. Gets the number of threads currently in the team executing the parallel region.