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Aucbvax.2404 fa.unix-wizards utzoo!duke!decvax!ucbvax!KLH@SRI-KL Wed Jul 22 06:55:44 1981 Are there still any V6 C compilers? From: KLH at SRI-KL Frequently when writing code that may be useful to other sites, I wonder to what extent I should use the V7 C features such as long integers. At the January '81 Usenix, the Western Electric toady mumbled something about being able to get any C compiler you wanted, as long as you were licensed for some flavor of Unix. Given that this is true, are there any good reasons NOT to write all new subroutines, programs, etc for the V7 C compiler? Are there any sites still stuck with V6 C? The picture is a little confused because there are some aspects of V7 code that depend on the V7 kernel or the V7 include files; not necessarily the V7 version of C. My own site doesn't help clear this up either since I am running the so-called phototypesetter C, which is apparently almost but not quite identical to the official V7 C. (My system is V6, but I have all the V7 include files and try to run converted V7 utilities whenever reasonable). This is a reasonably serious problem. If I were to re-structure my NCP code to handle 96-bit leaders properly (i.e. flush the mapping/stretching patch), is there any problem with doing it all in V7 syntax? Would anyone be unable to use the new stuff even if they wanted to? --Ken -------

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