It outputs Program takes 1333659584.0 seconds.//should be 2.0 seconds.
void ddd() { printf("Starting...\n"); time_t start, finish; double elapsed_time; time( &start ); LT_execute("sec -w 2"); time( &finish ); elapsed_time = difftime( finish, start ); printf("finish = %I64d, start = %I64d\n", finish, start); printf( "Program takes %4.1f seconds.\n", elapsed_time ); }