StrLenA (FUN)ΒΆ
FUNCTION StrLenA : UDINT
This function determines the length of a string by searching for a terminating zero character. The function will do its work either with native IEC-Strings or with strings coming from external functions. It will return 0 and eError = ERROR.INVALID_PARAMETER if the given pointer to String is equal NULL
- InOut:
Scope
Name
Type
Comment
Return
StrLenA
UDINT
Input
pstData
simply a pointer to byte
Output
eError