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Date: Sat, 23 Sep 2000 09:21:59 -0700 From: "H . J . Lu" <hjl@lucon.org> If ISO C says errno is unchanged for a succesful return, there are many ISO C functions in glibc call the none ISO C system calls which change errno in the current glibc. Only ISO C functions that are documented to store an error value in errno are required to leave it alone if they return successfully. Those functions should save and restore errno if necessary, and AFAIK they do so. Mark
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