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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. */
#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)
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