Release 10.1A: OpenEdge Development:
Programming Interfaces

> ## procncel() - Cancel Interval Timer

> Cancels a specified interval timer previously set by `proevt()`. You can call this function even if the time interval has already expired:

> #### Syntax

>     void
>     procncel ( pflag )
>       char *pflag;

> ``pflag``

> Points to a timer flag previously passed to `proevt()` to start the specified time interval. This flag specifies one of many interval timers that you can set with `proevt()`.

> #### Note

> - This function applies only to UNIX systems. For more information on using interval timers, see Chapter 18, " Host Language Call Interface."

> #### See also

> prockint() - Test for Interrupt Key, proevt() - Set Interval Timer, prosleep() - Sleep For Specified Interval, prowait() - Wait For Timer To Expire

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