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    Question OS/390 question if anybody knows


    Hi there,
    I am a systems programmer on OS/390 which basically is derived from UNIX OS, could anybody tell me how I can find out if the time related command "nanotime()" is supported on 390 or not without having to resort to the manuals?

    Your input is appreciated
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    OS/390 is derived from *NIX?? I thought it was derived from IBM's own MVS operating system. For the record, I've only seen the nanotime() function on FreeBSD. It is not present in Linux, OpenBSD or NetBSD, but may be present in OS/390 -- who knows. Have you tried clock_getres() and clock_gettime(), which are present in Linux, FreeBSD, OpenBSD and NetBSD :)
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    Perform a text search for "nanotime" in all the headers in the include files folder (using grep or similar). If a function exists in a library, it will normally be declared in a header.

    Clifford

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