.TH errmsg_iam 3 .SH NAME errmsg_iam \- tell errmsg library the name of the program .SH SYNTAX .B #include void \fBerrmsg_iam\fP(const char *\fIprogname\fR); .SH DESCRIPTION Use this function to set the program name. This function is usually called directly at the start of main() and given argv[0] as argument. This is important for batch processing, so the observer can tell which program the error message came from. .SH "SEE ALSO" errmsg(7)