--- ./sched.h 2009-05-18 15:15:33.893366500 -0700 +++ ./sched.h 2009-01-29 19:17:29.010338200 -0800 @@ -119,6 +119,8 @@ # include <sys/types.h> /* Required by Unix 98 */ # include <time.h> +#else +typedef int pid_t; #endif /* PTW32_LEVEL >= PTW32_LEVEL_MAX */ #else typedef int pid_t;