strerror_r man page on MirBSD

strerror_r man page on MirBSD

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STRERROR(3)		   BSD Programmer's Manual		   STRERROR(3)

NAME
     strerror - get error message string

SYNOPSIS
     #include <string.h>

     char *
     strerror(int errnum);

     int
     strerror_r(int errnum, char *strerrbuf, size_t buflen);

DESCRIPTION
     The strerror() and strerror_r() functions map the error number errnum to
     a language-dependent error message string.

     strerror() returns a string containing a maximum of NL_TEXTMAX charac-
     ters, including the trailing NUL. This string is not to be modified by
     the calling program, but may be overwritten by subsequent calls to strer-
     ror().

     strerror_r() is a thread safe version of strerror() that places the error
     message in the specified buffer strerrbuf.

RETURN VALUES
     strerror() returns a pointer to the error message string. If an error oc-
     curs, the error code is stored in errno.

     strerror_r() returns zero upon successful completion. If an error occurs,
     the error code is stored in errno and the error code is returned.

ERRORS
     strerror() and strerror_r() may fail if:

     [EINVAL]	   errnum is not a valid error number. The returned error
		   string will consist of an error message that includes
		   errnum.

     strerror_r() may fail if:

     [ERANGE]	   The error message is larger than buflen characters. The
		   message will be truncated to fit.

SEE ALSO
     intro(2), perror(3), setlocale(3)

STANDARDS
     The strerror() function conforms to ANSI X3.159-1989 ("ANSI C"). The
     strerror_r() function conforms to IEEE Std 1003.1 ("POSIX").

MirOS BSD #10-current		June 29, 1991				     1

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