#if defined(HAVE_WCSTOMBS) && defined(HAVE_TOWLOWER)
#define USE_WIDE_UPPER_LOWER
#endif

# running require
 cygrunsrv -S cygserver

# create dabase space
 initdb -D /usr/local/pgsql/data

# You can now start the database server using:

    postgres -D /usr/local/pgsql/data
or
    pg_ctl -D /usr/local/pgsql/data -l logfile start

# list available databases
 psql -l

# connect to "postgres" database
psql postgres

# disconnect
 \quit

# FATAL:  database "test" does not exist
createdb test

# solved
postgres=#  p_isdigit
   SELECT * FROM ts_parse('default', '345'); 


 $ ps ax |grep postgres
     1956    7156    1956       1956  ?       1009 14:25:08 /usr/sbin/postgres
     1204       0       0       1204  pty0    1009   Jan  1 /usr/sbin/postgres
     3452    7156    3452       3452  ?       1009 14:25:29 /usr/sbin/postgres
     4384    7156    4384       4384  ?       1009 14:25:08 /usr/sbin/postgres
     3524    7156    3524       3524  ?       1009 14:25:08 /usr/sbin/postgres
     7156       1    5976       1768  pty2    1009 14:25:08 /usr/sbin/postgres
     6768    7156    6768       6768  ?       1009 14:25:08 /usr/sbin/postgres
     3028    7156    3028       3028  ?       1009 14:25:08 /usr/sbin/postgres