mkdtemp(3)

1MKDTEMP(3)                 Linux Programmer's Manual                MKDTEMP(3)
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NAME

6       mkdtemp - create a unique temporary directory
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SYNOPSIS

9       #include <stdlib.h>
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11       char *mkdtemp(char *template);
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DESCRIPTION

14       The  mkdtemp()  function generates a uniquely-named temporary directory
15       from template. The last six characters of template must be  XXXXXX  and
16       these  are replaced with a string that makes the directory name unique.
17       The directory is then created with permissions 0700.  Since it will  be
18       modified,  template  must  not  be  a  string  constant,  but should be
19       declared as a character array.
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RETURN VALUE

22       The mkdtemp() function returns  a  pointer  to  the  modified  template
23       string  on  success,  and  NULL  on failure, in which case errno is set
24       appropriately.
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ERRORS

27       EINVAL The last six characters of template were not XXXXXX.   Now  tem‐
28              plate is unchanged.
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31       Also see mkdir(2) for other possible values for errno.
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CONFORMING TO

35       This funtion is present on the BSDs.
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VERSION

38       Available since glibc 2.1.91.
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