[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] Reference for unit 'sysutils' (#rtl)

StrLen

Length of a null-terminated string.

Declaration

Source position: syspchh.inc line 18

function strlen(

  p: PChar

):SizeInt; overload;

function StrLen(

  p: PWideChar

):SizeInt; overload;

Description

Returns the length of the null-terminated string P. If P equals Nil then zero (0) is returned.

Errors

None.

See also

StrNew

  

Allocate room for new null-terminated string.

Example

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.

Documentation generated on: Nov 16 2015