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26 .TH MKDIRAT 2 2009-12-13 "Linux" "Linux Programmer's Manual"
28 mkdirat \- create a directory relative to a directory file descriptor
31 .B #include <fcntl.h> /* Definition of AT_* constants */
32 .B #include <sys/stat.h>
34 .BI "int mkdirat(int " dirfd ", const char *" pathname ", mode_t " mode );
38 Feature Test Macro Requirements for glibc (see
39 .BR feature_test_macros (7)):
48 _XOPEN_SOURCE\ >=\ 700 || _POSIX_C_SOURCE\ >=\ 200809L
58 system call operates in exactly the same way as
60 except for the differences described in this manual page.
62 If the pathname given in
64 is relative, then it is interpreted relative to the directory
65 referred to by the file descriptor
67 (rather than relative to the current working directory of
68 the calling process, as is done by
70 for a relative pathname).
80 is interpreted relative to the current working
81 directory of the calling process (like
93 On error, \-1 is returned and
95 is set to indicate the error.
97 The same errors that occur for
101 The following additional errors can occur for
106 is not a valid file descriptor.
112 is a file descriptor referring to a file other than a directory.
115 was added to Linux in kernel 2.6.16.
121 for an explanation of the need for
126 .BR path_resolution (7)