strpos
Find position of one null-terminated substring in another.
Declaration
Source position: syspchh.inc line 34
function strpos(str1: pchar; str2: pchar) : pchar;
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 |
|---|---|
| StrRScan | Find last occurrence of a character in a null-terminated string. |
| StrScan | Find first 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.