. - 3GL   - 4GL   5GL  


. . F, . .
, , , . . ( ) . , . . . D ASCII , " .

, , . .

QBasic (UCASE$(A$>) (LCASE$(A$)) . upCase (), . , , . strupr(s) Hstrlwr(s) .

QBasic :

R ""

IF A$>B$ THEN

$=$ : A$=BS : $=$

END IF


{ ""}

if s1<s2 then

begin

tmp:=sl;

sl:=s2;

s2:=tmp;

end;

, , . , "" , "" , , "".

strcmp(s1,s2); // s1 s2

strcmpi(s1,s2); // s1 s2

//

stricmp(s1,s2); // strcmpi

strncmp(s1,s2,k); // k s1 s2

strncmpi(s1,s2,k); // k s1 s2

//

//

strnicmp(s1,s2,k); // strncmpi

      . - 3GL   - 4GL   5GL  

, , Object - - :
- () ();
- , . , .




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