| 释义 |
REFER expression
REFER表达式
In PL/1, the expression preceding the keyword REFER, from which an original bound, length, or size is taken when a based variable containing a REFER option is allocated, either by an ALLOCATE or LOCATE statement.
在PL/1语言中，后面加有关键字REFER的表达式，当使用ALLOCATE或LOCATE语句分配一个含有REFER任选项的基变量时，就从 该表达式中取得该变量的初始界限、长度或大小。 |