mktemp(3C)                                                       mktemp(3C)

NAME
     mktemp - make a unique filename

SYNOPSIS
     #include <stdlib.h>

     char *mktemp(char *template);

DESCRIPTION
     mktemp() replaces the contents of the string pointed to by template
     with a unique filename, and returns the amended template. The string
     in template should look like a filename with six trailing X; mktemp()
     will replace the X with a character string that can be used to create
     a unique filename.

RESULT
     mktemp() will assign to template the empty string if it cannot create
     a unique name.

NOTES
     mktemp() can create only 26 unique filenames per process for each
     unique template.

     Between the time a pathname is created and the file opened, it is pos-
     sible for some other process to create a file with the same name. The
     mkstemp() function avoids this problem.

SEE ALSO
     mkstemp(3), tmpfile(3S), tmpnam(3S), stdlib(5).


























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