18 lines
203 B
C
18 lines
203 B
C
#ifndef _SYS_FILE_H
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#define _SYS_FILE_H 1
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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#define LOCK_UN 0
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#define LOCK_EX 1
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#define LOCK_SH 2
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#define LOCK_NB 4
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int flock(int fd, int op);
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__END_DECLS
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#endif
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