@brief Set the value of a single GPIO line. @param line GPIO line object. @param value New value. @return 0 is the operation succeeds. In case of an error this routine returns -1 and sets the last error number.
See Implementation
@brief Set the value of a single GPIO line. @param line GPIO line object. @param value New value. @return 0 is the operation succeeds. In case of an error this routine returns -1 and sets the last error number.