BSD 2.11 - man page for psignal (bsd section 3)

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PSIGNAL(3)									       PSIGNAL(3)

       psignal, sys_siglist - system signal messages

       psignal(sig, s)
       unsigned sig;
       char *s;

       char *sys_siglist[];

       Psignal	produces a short message on the standard error file describing the indicated sig-
       nal.  First the argument string s is printed, then a colon, then the name  of  the  signal
       and  a  new-line.   Most  usefully,  the  argument string is the name of the program which
       incurred the signal.  The signal number should be from among those found in <signal.h>.

       To simplify variant formatting of signal names, the vector of message strings  sys_siglist
       is  provided;  the  signal  number can be used as an index in this table to get the signal
       name without the newline.  The define NSIG defined in <signal.h> is the number of messages
       provided  for  in  the table; it should be checked because new signals may be added to the
       system before they are added to the table.

       sigvec(2), perror(3)

4.2 Berkeley Distribution		   May 15, 1985 			       PSIGNAL(3)
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