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time_t cannot be broken down into milliseconds. &nbsp;It is a integer count of seconds, and does not have a resolution smaller than seconds. &nbsp;What operating system are you using?<br />

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time_t cannot be broken down into milliseconds.  It is a integer count of seconds, and does not have a resolution smaller than seconds.  What operating system are you using?


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Edited text of question<br />

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If you were under WIn95 or WinNT you could use timeGetTime (part of the multimedia API) which is down to milliseconds.<br />
<br />
I think functions that do better than that are dependant on the hardware etc.<br />

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If you were under WIn95 or WinNT you could use timeGetTime (part of the multimedia API) which is down to milliseconds.

I think functions that do better than that are dependant on the hardware etc.


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Also have a look at the C FAQ questions:<br />
<br />
19.37: &nbsp;How can I implement a delay, or time a user's response, with sub-second resolution?<br />

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Also have a look at the C FAQ questions:

19.37:  How can I implement a delay, or time a user's response, with sub-second resolution?


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You can use the function ftime. <br />
<br />
#include &lt;sys/time.h&gt;<br />
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int ftime(<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; struct timeb *tp );<br />
<br />
The struct timeb contains a field millitm with the milliseconds.<br />
<br />
jolusg<br />

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You can use the function ftime.

#include <sys/time.h>

int ftime(
          struct timeb *tp );

The struct timeb contains a field millitm with the milliseconds.

jolusg


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Does anyone have a function in ANSI C that breaks down the time_t and difftime functions into milliseconds instead of seconds? I am running it on a dos platform based machine.
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Does anyone have a function in ANSI C that breaks down the time_t and difftime functions into milliseconds instead of seconds? I am running it on a dos platform based machine.

time_t / difftime in millisconds

C is a general-purpose, imperative computer programming language, supporting structured programming, lexical variable scope and recursion, while a static type system prevents many unintended operations. By design, C provides constructs that map efficiently to typical machine instructions, so it has found lasting use in applications that had formerly been coded in assembly language, including operating systems as well as various application software for computers ranging from supercomputers to embedded systems. It is distinct from C++ (which has its roots in C) and C#, and many later languages have borrowed directly or indirectly from C.