QA output created by 197
invocation 1: at startup, next free file descriptor = 3 at exit, next free file descriptor = OK
invocation 2: at startup, next free file descriptor = 3 at exec, next free file descriptor = OK
invocation 3: at startup, next free file descriptor = 3 at exec, next free file descriptor = OK
invocation 4: at startup, next free file descriptor = 3 at exec, next free file descriptor = OK