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Leading Underscore

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External names on the HP 9000 workstations and servers do not contain a leading underscore. You need to change any programs that rely on external names containing leading underscores. Note that all languages on the HP 9000 workstations and servers follow the same convention. Therefore, only assembly language code and names that were aliased in other languages are affected by this. Because there is no leading underscore, external names contain one additional significant character. Identifiers that differ only in the 255th character will denote different items on the HP 9000 workstations and servers.

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