> I need to "touch" a file from within a C program.  In other words, I
> need to update the time and date of the file to the current time and
> date.  Is there a function that does this ?  I'm running the program
> under Unix.  I know I can use a dirty trick like reading the file and
> then creating a new file and writing out the same contents, but I
> don't want to do that.  Also, I might be able to fopen the file with
> the "a" access parameter, and then just fclose it immediately.  That
> might work in general, but again, I think it might not work in this
> case, because the file that I want to touch is the program itself.
> So, in other words, I want to write a program that will touch itself,
> no pun intended.  Any help will be greatly appreciated...

> -Eric

>> I need to "touch" a file from within a C program.  In other words, I
>> need to update the time and date of the file to the current time and
>> date.  Is there a function that does this ?

> utime(2)                                                          
>utime(2)

> NAME
>      utime - set file access and modification times

> SYNOPSIS
>      #include <utime.h>

>      int utime(const char *path, const struct utimbuf *times);