/* 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