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Fundamental Types
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It is important to understand at least the basic types when programming. The following table summarizes the basic types used in AmigaOS as compared to standard C and C++ types:
| Type | Deprecated Type(s) | C | C++ |
|---|---|---|---|
| uint64 | none | uint64_t | uint64_t |
| int64 | none | int64_t | int64_t |
| uint32 | ULONG or LONGBITS or CPTR | uint32_t | uint32_t |
| int32 | LONG | int32_t | int32_t |
| uint16 | UWORD or WORDBITS or USHORT or UCOUNT or RPTR | uint16_t | uint16_t |
| int16 | WORD or SHORT or COUNT | int16_t | int16_t |
| uint8 | UBYTE or BYTEBITS | char or unsigned char | unsigned char |
| int8 | BYTE | signed char | signed char |
| STRPTR | none | char* | char* |
| CONST STRPTR | n/a | char* const x | char* const x |
| CONST_STRPTR | n/a | const char* | const char* |
| CONST CONST_STRPTR | n/a | const char* const | const char* const |
| APTR | none | void* | void* |
| CONST APTR | none | void* const x | void* const x |
| CONST_APTR | none | const void* | const void* |
| CONST CONST_APTR | none | const void* const | const void* const |
| float32 | FLOAT | float | float |
| float64 | DOUBLE | double | double |
| BOOL | none | int16 | int16 |
| TEXT | none | char | char |
| NULL | none | 0L | (void*)0L |
| BPTR | none | int32_t | int32_t |
| BSTR | none | int32_t | int32_t |
| XBSTR | none | int32_t | int32_t |
| ZERO | none | (BPTR)0 | (BPTR)0 |
