To address a record in the LINKAGE SECTION, pass an argument to the program and specify the record in an appropriate position in the USING phrase in the program.
要检索LINKAGE SECTION中的记录,则需要向程序传递一个参数,并在该程序的USING部分的相应位置上指定该记录。
In the chunks section of the same output, an 'e' flag in position 5 indicates that the chunk is marked extendable.
在同一输出的块部分,位置5处的‘e’标志表示块标记为可扩展。
The next loop section controls setting pixels coordinates only if the frame at that position is greater than the start frame.
循环的下一部分控制像素坐标的设置,条件是当前时间帧在起始帧之后。
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