 This directory(./example) contains sources of use examples of this library.
 This library is assumed installed (make install). grep some word for 
 files that might have desired things.

 Build:
   $make all   ... make all executables of examples
   $make clean ... remove all files 'make all' generated

 --------------------
 demo_hello     Demonstrate compile with this library (libwy.a)
 demo_reply     Demonstrate usage of WyReply
 demo_num       Demonstrate usage of _scanum
 demo_timespec  Demonstrate usage of WyTimeSpec
 demo_date      Demonstrate usage of WyDate
 demo_thread    Demonstrate usage of Wy_Thread 
 demo_repinfo   Demonstrate usage of Wy_RepInfo
 a_cal          Arithmetic expression calculator
 a_cat          Simulate cat
 a_frep         Replace string of file(s)
 a_ls           Simulate "ls -l"
 a_more         Simulate more utility function
 a_tree         Display directory in tree-like manner
 a_who          Simulate who
 a_tcptime_cli  TCP client for time service
 a_tcptime_svr  TCP server for time server
 a_udptime_cli  UDP client for time service
 a_udptime_svr  UDP server for time server
 a_tcpecho_svr  TCP echo server using thread pool
 a_dct          Fast DCT example using Wy_Array
 a_httpreq      Send HTTP request and get the response
 a_popen        Simulate ::popen. Create a pipe and fork a process
 a_urandom      Read random number from /dev/urandom
 a_readconf     Read parameters from file, simple config file parsing.
 a_printf       printf/sscanf like usage (using wrd,_scanum)
 a_sort         mimic sort utility program (quick sort)
 a_dumphex      Dump file in hexidecimal value
 a_iconv        Convert BIG5 encoding to UTF8 encoding
 a_readpass     Read password from standard input (as tty, WyTerminal)
 a_serialecho   Serial line(RS232) echo program
 a_morse        Morse Code sound (/dev/dsp?)
 a_dtmf         Convert telephone dial number to DTMF sound
 a_mac          Read ethernet MAC address
 q_wrd          Get QString (Qt library) object from WyReply object.
