1 #include <sys/types.h>

     2 #if HAVE_SYS_WAIT_H

     3 # include <sys/wait.h>

     4 #endif

     5 #ifndef WEXITSTATUS

     6 # define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)

     7 #endif

     8 #ifndef WIFEXITED

     9 # define WIFEXITED(stat_val) (((stat_val) & 255) == 0)

    10 #endif