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Find position of one null-terminated substring in another.
Source position: syspchh.inc line 34
| function strpos( | 
| str1: PChar; | 
| str2: PChar | 
| ):PChar; | 
| str1: PWideChar; | 
| str2: PWideChar | 
| ):PWideChar; | 
Returns a pointer to the first occurrence of S2 in S1. If S2 does not occur in S1, returns Nil.
None.
| 
 | Find first occurrence of a character in a null-terminated string. | |
| 
 | Find last occurrence of a character in a null-terminated string. | 
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.