Helper function to show an error message

first character of first line

return year

construct a T with the value v in p

invoke GUI library's main event loop

nonmodifying operations

initialize lst to empty; return 0 if okay, -1 if not */

deal with numbers and parentheses

take a pointer and return its address as an int

deal with *, /, and %

insert n into its lexicographically correct position return first element of list

find Link with name s in l, erase it from l, return pointer to it does not set l to zero if the element is the last in the list

copy assignment

nonmodifying operations

insert n before this object

destroy the T in p

number of elements in a row

Helper function to show an error message

Helper function to show an error message

return month