/usr/include/open.h is in libowfat-dev 0.29-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | /* this header file comes from libowfat, http://www.fefe.de/libowfat/ */
#ifndef OPEN_H
#define OPEN_H
#ifdef __cplusplus
extern "C" {
#endif
/* open filename for reading and return the file handle or -1 on error */
int open_read(const char* filename);
/* create filename for exclusive write only use (mode 0600) and return
* the file handle or -1 on error */
int open_excl(const char* filename);
/* open filename for appending write only use (mode 0600)
* and return the file handle or -1 on error.
* All write operation will append after the last byte, regardless of
* seeking or other processes also appending to the file. The file will
* be created if it does not exist. */
int open_append(const char* filename);
/* open filename for writing (mode 0644). Create the file if it does
* not exist, truncate it to zero length otherwise. Return the file
* handle or -1 on error. */
int open_trunc(const char* filename);
/* open filename for writing. Create the file if it does not exist.
* Return the file handle or -1 on error. */
int open_write(const char* filename);
/* open filename for reading and writing. Create file if not there.
* Return file handle or -1 on error. */
int open_rw(const char* filename);
#ifdef __cplusplus
}
#endif
#endif
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