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strpos

Find position of one null-terminated substring in another.

Declaration

Source position: syspchh.inc line 35

function StrPos(str1: PAnsiChar; str2: PAnsiChar) : PAnsiChar;
function strpos(str1: PWideChar; str2: PWideChar) : PWideChar;

Description

Returns a pointer to the first occurrence of S2 in S1. If S2 does not occur in S1, returns Nil.

Errors

None.

See also

Name Description
StrScan Find first occurrence of a character in a null-terminated string.
StrRScan Find last occurrence of a character in a null-terminated string.

Example

Program Example15;

Uses strings;

{ Program to demonstrate the StrPos function. }

Const P : PChar = 'This is a PChar string.';
      S : Pchar = 'is';
begin
  Writeln ('Position of ''is'' in P : ',sizeint(StrPos(P,S))-sizeint(P));
end.