3 error_temp \- identify soft syscall error codes
7 int \fBerror_temp\fP(\fIe\fR);
12 returns 1 if syscall error code
14 is a soft error, 0 if it is a hard error.
20 A hard error is persistent:
21 file not found, read-only file system, symbolic link loop, etc.
23 A soft error is usually transient:
24 out of memory, out of disk space, I/O error, disk quota exceeded,
25 connection refused, host unreachable, etc.