.TH ZPERROR 3 libzahl
.SH NAME
zperror - Print a libzahl error message
.SH SYNOPSIS
.nf
#include <zahl.h>

void zperror(const char *\fIprefix\fP);
.fi
.SH DESCRIPTION
.B zperror
prints a libzahl error message to standard error.
Unless
.I prefix
is
.B 0
or an empty string, the message is prefixed by
.IR prefix ,
a colon and a blank space.
.SH SEE ALSO
.BR zerror (3)