谭浩强C语言习题5.7——此例中如何处理整型数据溢出

*
* Finally, function prototypes for the GSSAPI routines.
*/

#if defined (_WIN32) && defined (_MSC_VER)
# ifdef GSS_DLL_FILE
# define GSS_DLLIMP __declspec(dllexport)
# else
# define GSS_DLLIMP __declspec(dllimport)
# endif
#else
# define GSS_DLLIMP
#endif
...........
/*
* The implementation must reserve static storage for a
* gss_OID_desc object containing the value
* {10, (void *)"\x2a\x86\x48\x86\xf7\x12\x01\x02\x01\x02"},
* corresponding to an object-identifier value of
* {iso(1) member-body(2) United States(840) mit(113554)
* infosys(1) gssapi(2) generic(1) machine_uid_name(2)}.
* The constant GSS_C_NT_MACHINE_UID_NAME should be
* initialized to point to that gss_OID_desc.
*/
GSS_DLLIMP extern gss_OID GSS_C_NT_MACHINE_UID_NAME;

还有下面：

#ifndef KRB5_CALLCONV
#define KRB5_CALLCONV
#define KRB5_CALLCONV_C
#endif
......
OM_uint32 KRB5_CALLCONV gss_acquire_cred
(OM_uint32 *, /* minor_status */
gss_name_t, /* desired_name */
OM_uint32, /* time_req */
gss_OID_set, /* desired_mechs */
gss_cred_usage_t, /* cred_usage */
gss_cred_id_t *, /* output_cred_handle */
gss_OID_set *, /* actual_mechs */
OM_uint32 * /* time_rec */
);