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C/C++ Source or Header
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1994-04-14
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247 b
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13 lines
#include <signal.h>
extern void (*__signalfunc[])(int);
void (*signal(int sig,void (*func)(int)))(int)
{ void (*oldfunc)(int);
if(sig<1||sig>6)
return SIG_ERR;
oldfunc=__signalfunc[sig-1];
__signalfunc[sig-1]=func;
return oldfunc;
}