seq ::= ( atom [ '...' ] )* ;

shorts ::= '-' ( chars )* [ [ ' ' ] chars ] ;

pointer to the memory buffer

* Returns the internal pointer. Then sets the internal pointer to nullptr. * Note: this does not call unref * Post-condition: empty() == tru

Report the error condition

Report the error condition

Report the error condition

A portable thread-safe version of strerror. Sets buffer to point to a string describing the error code. This can be either a pointer to a string store

* @return id of new semaphore; -1 on error, check errno */

* function: sem_lock. locks the semaphore, for exclusive access to a resource. * input: semaphore set ID. * output: none. */

* function: sem_unlock. un-locks the semaphore. * input: semaphore set ID. * output: none. */

* Set comp, which is a comparator function used for sorting and * inserting comments into the list.

* Set comp, which is a comparator function used for sorting and * inserting comments into the list.