pub unsafe extern "C" fn ca_get_acb(
res: *mut acb_struct,
x: *const ca_struct,
prec: slong,
ctx: *mut ca_ctx_struct,
)pub unsafe extern "C" fn ca_get_acb(
res: *mut acb_struct,
x: *const ca_struct,
prec: slong,
ctx: *mut ca_ctx_struct,
)