f in ptfun4_1() in ptfun4.ch  = 1.100000
j in ptfun4_1() in ptfun4.ch  = 1
ptfun4_1() in ptfun4.ch is called 
Calling Ch function from C space: return value is 10
f in ptfun4_2() in ptfun4.ch  = 1.100000
j in ptfun4_2() in ptfun4.ch  = 1
ptfun4_2() in ptfun4.ch is called 
Calling Ch function from C space: return value is 20
f in ptfun4_1() in ptfun4.ch  = 1.100000
j in ptfun4_1() in ptfun4.ch  = 1
ptfun4_1() in ptfun4.ch is called 
retval of id1 = 10
f in ptfun4_2() in ptfun4.ch  = 2.200000
j in ptfun4_2() in ptfun4.ch  = 2
ptfun4_2() in ptfun4.ch is called 
retval of id2 = 20
f in ptfun4_1() in ptfun4.ch  = 1.100000
j in ptfun4_1() in ptfun4.ch  = 1
ptfun4_1() in ptfun4.ch is called 
retval of id2 = 10
