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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@28771 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
24 lines
340 B
C
24 lines
340 B
C
/* public domain rewrite of memcmp(3) */
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#include "missing.h"
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void *
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memmove (d, s, n)
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void *d, *s;
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int n;
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{
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char *dst = d;
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char *src = s;
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void *ret = dst;
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if (src < dst) {
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src += n;
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dst += n;
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while (n--)
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*--dst = *--src;
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}
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else if (dst < src)
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while (n--)
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*dst++ = *src++;
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return ret;
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}
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