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Annotation of 43BSDReno/lib/libc/gen/psignal.3, revision 1.1.1.1

1.1       root        1: .\" Copyright (c) 1983 Regents of the University of California.
                      2: .\" All rights reserved.  The Berkeley software License Agreement
                      3: .\" specifies the terms and conditions for redistribution.
                      4: .\"
                      5: .\"    @(#)psignal.3   6.1 (Berkeley) 5/15/85
                      6: .\"
                      7: .TH PSIGNAL 3 "May 15, 1985"
                      8: .UC 5
                      9: .SH NAME
                     10: psignal, sys_siglist \- system signal messages
                     11: .SH SYNOPSIS
                     12: .nf
                     13: .B psignal(sig, s)
                     14: .B unsigned sig;
                     15: .B char *s;
                     16: .PP
                     17: .B char *sys_siglist[];
                     18: .fi
                     19: .SH DESCRIPTION
                     20: .I Psignal
                     21: produces a short message
                     22: on the standard error file
                     23: describing the indicated signal.
                     24: First the argument string
                     25: .I s
                     26: is printed, then a colon, then the name of the signal
                     27: and a new-line.
                     28: Most usefully, the argument string is the name
                     29: of the program which incurred the signal.
                     30: The signal number should be from among those found
                     31: in
                     32: .IR <signal.h> .
                     33: .PP
                     34: To simplify variant formatting
                     35: of signal names, the vector of message strings
                     36: .I sys_siglist
                     37: is provided;
                     38: the signal number
                     39: can be used as an index in this table to get the
                     40: signal name without the newline.
                     41: The define NSIG defined in
                     42: .RI < signal.h >
                     43: is the number of messages provided for in the table;
                     44: it should be checked because new
                     45: signals may be added to the system before
                     46: they are added to the table.
                     47: .SH "SEE ALSO"
                     48: sigvec(2),
                     49: perror(3)

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