Difference between revisions of "Pascal for C users"
From Lazarus wiki
Jump to navigationJump to searchLine 26: | Line 26: | ||
| % | | % | ||
| [[Mod]] | | [[Mod]] | ||
− | | | + | | '''Mod'''ulo operation |
|- | |- | ||
| ! | | ! | ||
Line 146: | Line 146: | ||
| | | | ||
| Pointer to a null-terminated string | | Pointer to a null-terminated string | ||
+ | |- | ||
+ | | short int | ||
+ | | [[SmallInt]] | ||
+ | | 16-bit | ||
+ | | -32768 .. 32767 | ||
+ | | | ||
+ | |- | ||
+ | | unsigned short int | ||
+ | | [[Word]] | ||
+ | | 16-bit | ||
+ | | 0 .. 65535 | ||
+ | | | ||
+ | |- | ||
+ | | int | ||
+ | | [[Integer]] | ||
+ | | (16-bit or) 32-bit | ||
+ | | -2147483648..2147483647 | ||
+ | | Generic integer types | ||
+ | |- | ||
+ | | unsigned int | ||
+ | | [[Cardinal]] | ||
+ | | (16-bit or) 32-bit | ||
+ | | 0 .. 4294967295 | ||
+ | | Generic integer types | ||
+ | |- | ||
+ | | long int | ||
+ | | [[LongInt]] | ||
+ | | 32-bit | ||
+ | | -2147483648..2147483647 | ||
+ | | | ||
+ | |- | ||
+ | | unsigned long int | ||
+ | | [[LongWord]] | ||
+ | | 32-bit | ||
+ | | 0 .. 4294967295 | ||
+ | | | ||
|- | |- | ||
| float | | float |
Revision as of 21:08, 11 November 2007
C | Pascal | |
---|---|---|
{ | Begin | |
} | End | |
= | := | Becomes |
== | = | Equal |
/ | / | Division (or sometimes div) |
% | Mod | Modulo operation |
! | Not | |
!= | <> | Not equal |
&& | And | |
|| | Or | |
^ | Xor | |
>> | Shr | bit shift right |
<< | Shl | bit shift left |
++ | Inc | |
-- | Dec | |
/* | { | |
*/ | } | |
// | // | |
if() | If Then | |
if() else | If Then Else | |
while | While Do | |
do while | Repeat Until Not | |
do while ! | Repeat Until | |
for ++ | For To Do | |
for -- | For Downto Do | |
switch case break | Case Of End | |
switch case break default | Case Of Else End |
C type | Pascal type | Size (bits) | Range | |
---|---|---|---|---|
char | Char | 8-bit | ASCII | |
signed char | Shortint | 8-bit | -128 .. 127 | |
unsigned char | Byte | 8-bit | 0 .. 255 | |
char* | PChar | (32-bit) | Pointer to a null-terminated string | |
short int | SmallInt | 16-bit | -32768 .. 32767 | |
unsigned short int | Word | 16-bit | 0 .. 65535 | |
int | Integer | (16-bit or) 32-bit | -2147483648..2147483647 | Generic integer types |
unsigned int | Cardinal | (16-bit or) 32-bit | 0 .. 4294967295 | Generic integer types |
long int | LongInt | 32-bit | -2147483648..2147483647 | |
unsigned long int | LongWord | 32-bit | 0 .. 4294967295 | |
float | Single | 32-bit | 1.5E-45 .. 3.4E+38 | |
double | Double | 64-bit | 5.0E-324 .. 1.7E+308 |