| 123456789101112131415161718192021222324252627282930313233343536 | /* 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#elsetypedef 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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