pub unsafe extern "C" fn ffgacl(
fptr: *mut fitsfile,
colnum: c_int,
ttype: *mut c_char,
tbcol: *mut c_long,
tunit: *mut c_char,
tform: *mut c_char,
tscal: *mut f64,
tzero: *mut f64,
tnull: *mut c_char,
tdisp: *mut c_char,
status: *mut c_int
) -> c_int