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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [libiberty/] [bcopy.c] - Rev 329
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/* bcopy -- copy memory regions of arbitary length @deftypefn Supplemental void bcopy (char *@var{in}, char *@var{out}, int @var{length}) Copies @var{length} bytes from memory region @var{in} to region @var{out}. The use of @code{bcopy} is deprecated in new programs. @end deftypefn */ #include <stddef.h> void bcopy (const void *src, void *dest, size_t len) { if (dest < src) { const char *firsts = (const char *) src; char *firstd = (char *) dest; while (len--) *firstd++ = *firsts++; } else { const char *lasts = (const char *)src + (len-1); char *lastd = (char *)dest + (len-1); while (len--) *lastd-- = *lasts--; } }
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