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Include stdlib.h and unistd.h if available. Include xalloc.h. (xmalloc, xstrdup, free): Remove decls. (xgetcwd): Don't assume sizes fit in unsigned. Check for overflow when computing sizes. Simplify reallocation code.
The files in this directory are shared between the fileutils, sh-utils, and textutils packages. Not all files are used by each package. The autoconf tests required for these files are in ../m4. The library name, fetish, is a permutation of the first two letters of each of the package names: FIleutils, TExtutils, SH-utils.