1explain_open_or_die(3) Library Functions Manual explain_open_or_die(3)
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6 explain_open_or_die - open file and report errors
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9 #include <fcntl.h>
10 #include <libexplain/open.h>
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12 int explain_open_or_die(const char *pathname, int flags, int mode);
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15 Given a pathname for a file, open() returns a file descriptor, a small,
16 non‐negative integer for use in subsequent system calls (read(2),
17 write(2), lseek(2), fcntl(2), etc.). The file descriptor returned by a
18 successful call will be the lowest‐numbered file descriptor not cur‐
19 rently open for the process. See open(2) for more information.
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22 On success, the new file descriptor is returned.
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24 On error, a description of the error is obtained via explain_open(3),
25 and printed on stderr. The process is the terminated via a call to the
26 exit(EXIT_FAILURE) function.
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29 libexplain version 1.4
30 Copyright (C) 2008 Peter Miller
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33 Written by Peter Miller <pmiller@opensource.org.au>
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37 explain_open_or_die(3)