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Directories are created with the
mkdir function. (There is also
a shell command
mkdir which does the same thing.)
mkdirfunction creates a new, empty directory with name filename.
The argument mode specifies the file permissions for the new directory file. See section 14.9.5 The Mode Bits for Access Permission, for more information about this.
A return value of
0 indicates successful completion, and
-1 indicates failure. In addition to the usual file name syntax
errors (see section 11.2.3 File Name Errors), the following
conditions are defined for this function:
Well-designed file systems never report this error, because they permit more links than your disk could possibly hold. However, you must still take account of the possibility of this error, as it could result from network access to a file system on another machine.
To use this function, your program should include the header file `sys/stat.h'.
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