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SunOS 5.10 - man page for errno (sunos section 3head)

errno.h(3HEAD)							      Headers							    errno.h(3HEAD)

NAME
errno.h, errno - system error numbers
SYNOPSIS
#include <errno.h>
DESCRIPTION
The <errno.h> header provides a declaration for errno and gives positive values for the symbolic constants listed on the intro(2) manual page.
USAGE
Values for errno are required to be distinct positive values rather than non-zero values.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+
SEE ALSO
intro(2), attributes(5), standards(5) SunOS 5.10 10 Sep 2004 errno.h(3HEAD)