example: wait.c

#include <sys/types.h>

#include <sys/wait.h>

void main( void )

{

int status;

if( fork() == 0 ) exit( 7 ); /* normal exit */

wait( &status ); prExit( status );

if( fork() == 0 ) abort(); /* generates SIGABRT */

wait( &status ); prExit( status );

if( fork() == 0 ) status /= 0; /* generates SIGFPE */

wait( &status ); prExit( status );

}

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