Function pthread_attr_getguardsize
pub unsafe extern "C" fn pthread_attr_getguardsize(attr: *const pthread_attr_t, guardsize: *mut size_t) -> c_intpthread_attr_getguardsizepub unsafe extern "C" fn pthread_attr_getguardsize(attr: *const pthread_attr_t, guardsize: *mut size_t) -> c_int