| Type C | Call method | Go type | Bytes (byte) | Numerical range |
|---|---|---|---|---|
| char | C.char | byte | 1 | -128~127 |
| signed char | C.schar | int8 | 1 | -128~127 |
| unsigned char | C.uchar | uint8 | 1 | 0~255 |
| short int | C.short | int16 | 2 | -32768~32767 |
| short unsigned int | C.ushort | uint16 | 2 | 0~65535 |
| int | C.int | int | 4 | -2147483648~2147483647 |
| unsigned int | C.uint | uint32 | 4 | 0~4294967295 |
| long int | C.long | int32 or int64 | 4 | -2147483648~2147483647 |
| long unsigned int | C.ulong | uint32 or uint64 | 4 | 0~4294967295 |
| long long int | C.longlong | int64 | 8 | -9223372036854776001~9223372036854775999 |
| long long unsigned int | C.ulonglong | uint64 | 8 | 0~18446744073709552000 |
| float | C.float | float32 | 4 | -3.4E-38~3.4E+38 |
| double | C.double | float64 | 8 | 1.7E-308~1.7E+308 |
| wchar_t | C.wchar_t | wchar_t | 2 | 0~65535 |
| void * | unsafe.Pointer |
Last active
February 21, 2024 18:31
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CGO <-> C conversions list
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