c_g_simple_async_result_set_error_va

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
__gshared extern (C)
void function(GSimpleAsyncResult* simple, GQuark domain, gint code, char* format, va_list args) c_g_simple_async_result_set_error_va;

Meta