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40 lines
785 B
Groff
40 lines
785 B
Groff
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.TH SYSFATAL 3
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.SH NAME
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sysfatal \- system error messages
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.SH SYNOPSIS
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.B #include <u.h>
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.br
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.B #include <libc.h>
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.PP
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.B
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void sysfatal(char *fmt, ...)
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.SH DESCRIPTION
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.I Sysfatal
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prints to standard error the name of the running program,
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a colon and a space,
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the message described by the
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.IR print (3)
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format string
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.I fmt
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and subsequent arguments, and a newline.
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It then calls
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.IR exits (3)
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with the formatted message as argument.
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The program's name is the value of
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.BR argv0 ,
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which will be set if the program uses the
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.IR arg (3)
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interface to process its arguments.
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If
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.B argv0
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is null, it is ignored and the following colon and space are suppressed.
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.SH SOURCE
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.B /usr/local/plan9/src/lib9/sysfatal.c
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.SH "SEE ALSO"
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.IR intro (3),
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.IR errstr (3),
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the
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.B %r
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format in
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.IR print (3)
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