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#include <u.h>
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#include <libc.h>
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#include <fcall.h>
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int
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waitpid(void)
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{
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	int n;
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	char buf[512], *fld[5];
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	n = await(buf, sizeof buf-1);
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	if(n <= 0)
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		return -1;
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	buf[n] = '\0';
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	if(tokenize(buf, fld, nelem(fld)) != nelem(fld)){
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		werrstr("couldn't parse wait message");
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		return -1;
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	}
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	return atoi(fld[0]);
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}
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