strlcomp

Compare limited number of characters of 2 null-terminated strings.

Declaration

Source position: syspchh.inc line 26

Description

Compares maximum L characters of the null-terminated strings S1 and S2. The result is

• A negative Longint when S1<S2.
• 0 when S1=S2.
• A positive Longint when S1>S2.

Errors

None.

See also

Example

Program Example8;

Uses strings;

{ Program to demonstrate the StrLComp function. }

Const P1 : PChar = 'This is the first string.';
      P2 : PCHar = 'This is the second string.';

Var L : Longint;

begin
  Write ('P1 and P2 are ');
  If StrComp (P1,P2)<>0 then write ('NOT ');
  write ('equal. The first ');
  L:=1;
  While StrLComp(P1,P2,L)=0 do inc (L);
  dec(l);
  Writeln (l,' characters are the same.');
end.