.TH error 3 .SH NAME error \- syscall error codes .SH SYNTAX .B #include .br .B #include extern int \fBerror_intr\fP; .br extern int \fBerror_nomem\fP; .br extern int \fBerror_noent\fP; .br extern int \fBerror_txtbsy\fP; .br extern int \fBerror_io\fP; .br extern int \fBerror_exist\fP; .br extern int \fBerror_timeout\fP; .br extern int \fBerror_inprogress\fP; .br extern int \fBerror_wouldblock\fP; .br extern int \fBerror_again\fP; .br extern int \fBerror_pipe\fP; .br extern int \fBerror_perm\fP; .br extern int \fBerror_acces\fP; .SH DESCRIPTION UNIX syscalls provide detailed error codes in the .B errno variable. The .B error library provides portable names for a variety of possible .B errno values. .SH "SEE ALSO" error_str(3), error_temp(3)