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#include <u.h>
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#include <libc.h>
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#include <bio.h>
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#include "snap.h"
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void*
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emalloc(ulong n)
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{
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	void *v;
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	v = malloc(n);
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	if(v == nil){
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		fprint(2, "out of memory\n");
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		exits("memory");
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	}
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	memset(v, 0, n);
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	return v;
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}
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void*
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erealloc(void *v, ulong n)
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{
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	v = realloc(v, n);
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	if(v == nil) {
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		fprint(2, "out of memory\n");
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		exits("memory");
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	}
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	return v;
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}
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char*
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estrdup(char *s)
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{
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	s = strdup(s);
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	if(s == nil) {
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		fprint(2, "out of memory\n");
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		exits("memory");
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	}
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	return s;
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}