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.TH error_temp 3
.SH NAME
error_temp \- identify soft syscall error codes
.SH SYNTAX
.B #include <error.h>

int \fBerror_temp\fP(\fIe\fR);

int \fIe\fR;
.SH DESCRIPTION
.B error_temp
returns 1 if syscall error code
.I e
is a soft error, 0 if it is a hard error.
Normally
.I e
is
.BR errno .

A hard error is persistent:
file not found, read-only file system, symbolic link loop, etc.

A soft error is usually transient:
out of memory, out of disk space, I/O error, disk quota exceeded,
connection refused, host unreachable, etc.
.SH "SEE ALSO"
error(3)
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