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- /* You may need to adjust the definition of signal1 to supply a */
- /* cast to the correct argument type. This detail is system- and */
- /* compiler-dependent. The #define below assumes signal.h declares */
- /* type SIG_PF for the signal function's second argument. */
- /* For some C++ compilers, "#define Sigarg_t ..." may be appropriate. */
- #include <signal.h>
- #ifndef Sigret_t
- #define Sigret_t void
- #endif
- #ifndef Sigarg_t
- #ifdef KR_headers
- #define Sigarg_t
- #else
- #define Sigarg_t int
- #endif
- #endif /*Sigarg_t*/
- #ifdef USE_SIG_PF /* compile with -DUSE_SIG_PF under IRIX */
- #define sig_pf SIG_PF
- #else
- typedef Sigret_t (*sig_pf)(Sigarg_t);
- #endif
- #define signal1(a,b) signal(a,(sig_pf)b)
- #ifdef __cplusplus
- #define Sigarg ...
- #define Use_Sigarg
- #else
- #define Sigarg Int n
- #define Use_Sigarg n = n /* shut up compiler warning */
- #endif
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