1819   void (*xSFunc)(sqlite3_context*,int,sqlite3_value **),  in sqlite3CreateFunc()
1830   assert( xValue==0 || xSFunc==0 );  in sqlite3CreateFunc()
1832    || (xSFunc!=0 && xFinal!=0)        /* Not both xSFunc and xFinal */  in sqlite3CreateFunc()
1869            pUserData, xSFunc, xStep, xFinal, xValue, xInverse, pDestructor);  in sqlite3CreateFunc()
1873              pUserData, xSFunc, xStep, xFinal, xValue, xInverse, pDestructor);  in sqlite3CreateFunc()
1908   }else if( xSFunc==0 && xFinal==0 ){  in sqlite3CreateFunc()
1931   p->xSFunc = xSFunc ? xSFunc : xStep;  in sqlite3CreateFunc()
1953   void (*xSFunc)(sqlite3_context*,int,sqlite3_value**),  in createFunctionApi()
1981       xSFunc, xStep, xFinal, xValue, xInverse, pArg  in createFunctionApi()
2004   void (*xSFunc)(sqlite3_context*,int,sqlite3_value **),  in sqlite3_create_function()
2008   return createFunctionApi(db, zFunc, nArg, enc, p, xSFunc, xStep,  in sqlite3_create_function()
2017   void (*xSFunc)(sqlite3_context*,int,sqlite3_value **),  in sqlite3_create_function_v2()
2022   return createFunctionApi(db, zFunc, nArg, enc, p, xSFunc, xStep,  in sqlite3_create_function_v2()
2048   void (*xSFunc)(sqlite3_context*,int,sqlite3_value**),  in sqlite3_create_function16()
2061   rc = sqlite3CreateFunc(db, zFunc8, nArg, eTextRep, p, xSFunc,xStep,xFinal,0,0,0);  in sqlite3_create_function16()