Length of a null-terminated string.
Source position: syspchh.inc line 19
| function StrLen( | 
| p: PAnsiChar | 
| ):SizeInt; overload; | 
| p: PWideChar | 
| ):SizeInt; overload; | 
Returns the length of the null-terminated string P. If P equals Nil then zero (0) is returned.
None.
| 
 | Allocate room for new null-terminated string. | 
Program Example1; Uses strings; { Program to demonstrate the StrLen function. } Const P : PChar = 'This is a constant pchar string'; begin Writeln ('P : ',p); Writeln ('length(P) : ',StrLen(P)); end.