The prosleep( ) function causes your application to suspend execution for a specified time interval. Use prosleep( ) only in special circumstances; signals and interrupts do not interrupt this function:

Syntax

void 
prosleep ( seconds )
  int seconds;
seconds
This input parameter specifies the number of seconds to suspend execution.

For more information, see:

prockint( ) - Test for Interrupt Key, procncel( ) - Cancel Interval Timer, proevt( ) - Set Interval Timer, prowait( ) - Wait For Timer To Expire