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25 .TH MKNODAT 2 2012-05-04 "Linux" "Linux Programmer's Manual"
27 mknodat \- create a special or ordinary file relative to a directory
31 .B #include <fcntl.h> /* Definition of AT_* constants */
32 .B #include <sys/stat.h>
34 .BI "int mknodat(int " dirfd ", const char *" pathname ", mode_t " mode \
39 Feature Test Macro Requirements for glibc (see
40 .BR feature_test_macros (7)):
49 _XOPEN_SOURCE\ >=\ 700
50 .\" Other FTM combinations will also expose mknodat(), but this function was
51 .\" added in SUSv4, marked XSI, so we'll just document what the standard says.
61 system call operates in exactly the same way as
63 except for the differences described in this manual page.
65 If the pathname given in
67 is relative, then it is interpreted relative to the directory
68 referred to by the file descriptor
70 (rather than relative to the current working directory of
71 the calling process, as is done by
73 for a relative pathname).
83 is interpreted relative to the current working
84 directory of the calling process (like
96 On error, \-1 is returned and
98 is set to indicate the error.
100 The same errors that occur for
104 The following additional errors can occur for
109 is not a valid file descriptor.
115 is a file descriptor referring to a file other than a directory.
118 was added to Linux in kernel 2.6.16;
119 library support was added to glibc in version 2.4.
125 for an explanation of the need for
130 .BR path_resolution (7)