dc_iostream_get_lines

libdivecomputer_sys

Function dc_iostream_get_lines 

Source 
pub unsafe extern "C" fn dc_iostream_get_lines(
    iostream: *mut dc_iostream_t,
    value: *mut c_uint,
) -> dc_status_t
Expand description

Query the state of the line signals.

@param[in] iostream A valid I/O stream. @param[out] value A location to store the bitmap with the state of the line signals. @returns #DC_STATUS_SUCCESS on success, or another #dc_status_t code on failure.