StrLenA (FUN)ΒΆ

FUNCTION StrLenA : DINT

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 -1 if the given pointer to String is equal NULL

InOut:

Scope

Name

Type

Comment

Return

StrLenA

DINT

Input

pstData

CharBufferPtr

simply a pointer to byte