Return to perror.3 CVS log

Up to [Power 6/32 Unix Tahoe 4.2BSD] / cci / usr / src / man / man3

Annotation of cci/usr/src/man/man3/perror.3, revision 1.1

1.1     ! root        1: .TH PERROR 3  "19 January 1983"
        !             2: .UC 4
        !             3: .SH NAME
        !             4: perror, sys_errlist, sys_nerr \- system error messages
        !             5: .SH SYNOPSIS
        !             6: .nf
        !             7: .B perror(s)
        !             8: .B char *s;
        !             9: .PP
        !            10: .B int sys_nerr;
        !            11: .B char *sys_errlist[];
        !            12: .fi
        !            13: .SH DESCRIPTION
        !            14: .I Perror
        !            15: produces a short error message on the standard error file
        !            16: describing the last error encountered during a call
        !            17: to the system from a C program.
        !            18: First the argument string
        !            19: .I s
        !            20: is printed, then a colon, then the message and a new-line.
        !            21: Most usefully, the argument string is the name
        !            22: of the program which incurred the error.
        !            23: The error number is taken from the external variable
        !            24: .I errno
        !            25: (see
        !            26: .IR intro (2)),
        !            27: which is set when errors occur but not cleared when
        !            28: non-erroneous calls are made.
        !            29: .PP
        !            30: To simplify variant formatting of messages, the vector of message strings
        !            31: .I sys_errlist
        !            32: is provided;
        !            33: .I errno
        !            34: can be used as an index in this table to get the
        !            35: message string without the newline.
        !            36: .I Sys_nerr
        !            37: is the number of messages provided for in the table;
        !            38: it should be checked because new error codes may be added to the system before
        !            39: they are added to the table.
        !            40: .SH "SEE ALSO"
        !            41: intro(2),
        !            42: psignal(3)

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.