dc_iostream_ioctl

libdivecomputer_sys

Function dc_iostream_ioctl 

Source 
pub unsafe extern "C" fn dc_iostream_ioctl(
    iostream: *mut dc_iostream_t,
    request: c_uint,
    data: *mut c_void,
    size: usize,
) -> dc_status_t
Expand description

Perform an I/O stream specific request.

@param[in] iostream A valid I/O stream. @param[in] request The request to perform. @param[in,out] data The request specific data. @param[in] size The size of the request specific data. @returns #DC_STATUS_SUCCESS on success, or another #dc_status_t code on failure.