This returns the position of the first instance of c in str. It has the advantage that it won't crash when given duff input

Declared in file: hzTextproc.h
Defined in file : hzTextproc.cpp

Function Logic:

Function body:

int32_t CstrFirst (const char* cpStr)char testChar, 
{
   //  Category: Text Processing
   //  
   //  This returns the position of the first instance of c in str. It has the advantage that it won't crash when given duff input
   //  
   //  Arguments: 1) cpStr  The string to test
   //     2) testChar The char to test for
   //  
   //  Returns: -1 If the test char does not appear in the string
   //     0+ Being the position of the first occurence of the test char in the string
   int32_t nPosn = 0;      //  Input string position
   if (!cpStr || !cpStr[0]|| !testChar)
       return -1;
   for (nPosn = 0; cpStr[nPosn] ; nPosn++)
   {
       if (cpStr[nPosn] == testChar)
           return nPosn ;
   }
   return -1;
}