Struct riot_sys::stdio_provider_t

#[repr(C)]
pub struct stdio_provider_t {
    pub open: Option<unsafe extern "C" fn()>,
    pub close: Option<unsafe extern "C" fn()>,
    pub write: Option<unsafe extern "C" fn(src: *const c_void, len: size_t) -> ssize_t>,
}

@brief stdio provider struct

Fields

open: Option<unsafe extern "C" fn()>

@brief Initialize and attach the stdio provider

close: Option<unsafe extern "C" fn()>

@brief Detach the stdio provider

write: Option<unsafe extern "C" fn(src: *const c_void, len: size_t) -> ssize_t>

@brief Write @p len bytes from @p src into stdout

@param[in] src buffer to read from @param[in] len nr of bytes to write

@return nr of bytes written @return <0 on error

Trait Implementations

impl Clone for stdio_provider_t

fn clone(&self) -> stdio_provider_t

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for stdio_provider_t

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for stdio_provider_t

fn default() -> stdio_provider_t

Returns the “default value” for a type.

impl Copy for stdio_provider_t

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 12 bytes