VMS Help RTL Routines, LIB$, LIB$INSQHI  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    The Insert Entry at Head of Queue routine inserts a queue entry
    at the head of the specified self-relative longword interlocked
    queue. LIB$INSQHI makes the INSQHI instruction available as a
    callable routine.

    Format

      LIB$INSQHI  entry ,header [,retry-count]

  Additional Information (explode) :

• Returns
• Arguments