This is a sample generated from Axis2/C Codegen tool.

sample source        axis2_skel_calculator.c
wsdl                 $AXIS2C_HOME/test/resources/wsdl/CalculatorDoc.wsdl

Command to execute the code generation: 
( server side(ss) and service description(sd) with converting names(cn) and indenting code(id) )

w2c -uri $AXIS2C_HOME/test/resources/wsdl/CalculatorDoc.wsdl -ss -cn -id

NOTE:here the services.xml should be edited to rename the service name to calculator from Calculator. (because there is another service name Calculator)