NAME
          coe - set close-on-exec flag for a descriptor

     SYNTAX
          #include <coe.h>

          int coe(fd);

          int fd;

     DESCRIPTION
          coe sets the close-on-exec flag for file descriptor fd,
          returning 0 if it was successful or -1 on error.  If coe is
          successful, fd will be closed when the process calls execve.

     SEE ALSO
          execve(2), fcntl(2)