Ruby 2.7.7p221 (2022-11-24 revision 168ec2b1e5ad0e4688e963d9de019557c78feed9)
file.h
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1/* This is file FILE.H */
2
3#ifndef _FILE_H_
4#define _FILE_H_
5
6#include <fcntl.h>
7
8#ifndef L_SET
9# define L_SET 0 /* seek from beginning. */
10# define L_CURR 1 /* seek from current position. */
11# define L_INCR 1 /* ditto. */
12# define L_XTND 2 /* seek from end. */
13#endif
14
15#ifndef R_OK
16# define R_OK 4 /* test whether readable. */
17# define W_OK 2 /* test whether writable. */
18# define X_OK 1 /* test whether executable. */
19# define F_OK 0 /* test whether exist. */
20#endif
21
22#endif