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Diffstat (limited to 'library/core/src/ffi/c_char.md')
| -rw-r--r-- | library/core/src/ffi/c_char.md | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/library/core/src/ffi/c_char.md b/library/core/src/ffi/c_char.md new file mode 100644 index 000000000..b262a3663 --- /dev/null +++ b/library/core/src/ffi/c_char.md @@ -0,0 +1,8 @@ +Equivalent to C's `char` type. + +[C's `char` type] is completely unlike [Rust's `char` type]; while Rust's type represents a unicode scalar value, C's `char` type is just an ordinary integer. On modern architectures this type will always be either [`i8`] or [`u8`], as they use byte-addresses memory with 8-bit bytes. + +C chars are most commonly used to make C strings. Unlike Rust, where the length of a string is included alongside the string, C strings mark the end of a string with the character `'\0'`. See `CStr` for more information. + +[C's `char` type]: https://en.wikipedia.org/wiki/C_data_types#Basic_types +[Rust's `char` type]: char |