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guile/libguile/memmove.c
Jim Blandy be881b4688 I take it all back --- bcopy does handle overlapping source and
destination areas correctly.  At least on every system I could
find.  But it is better to use AC_REPLACE_FUNCS than to introduce
new CPP conditionals.
* memmove.c: New file, implementing memmove in terms of bcopy.
* scmconfig.h.in: Regenerated.
1999-09-01 02:52:27 +00:00

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C

/* Wrapper to implement ANSI C's memmove using BSD's bcopy. */
/* This function is in the public domain. --Per Bothner. */
#include <sys/types.h>
#ifdef __STDC__
#define PTR void *
#define CPTR const void *
PTR memmove (PTR, CPTR, size_t);
#else
#define PTR char *
#define CPTR char *
PTR memmove ();
#endif
PTR
memmove (s1, s2, n)
PTR s1;
CPTR s2;
size_t n;
{
bcopy (s2, s1, n);
return s1;
}