Synopsis:

       offset=strpos(str1,str2)

Arguments:

       str1 - The string to search

       str2 - The sub-string to search for in str1

Description:   This function searchs through str1 for the first occurance of the sub-string str2.    If str2 is found in str1 then this function returns the character offset in str1 where the first occurance of str2 was found,  otherwise it will return 0 if str2 was not found in str1.

For example:

       string="the cat sat on the mat";

       // This will return offset 5

       offset=strcnt(string,"cat");

Returns:  Returns the offset of the first occurance of str2 within str1, or 0 if str2 is not found within str1.