.\" openfwtk project: str_to_port.3 1-Nov-2000
.TH str_to_port 3
.SH NAME
str_to_port() \- a getservbyname frontend
.SH SYNOPSIS
.nf	
#include "fwfunc.h"
.fi
.sp 
int \fBstr_to_port\fP(char *portstr)
.SH DESCRIPTION
The \fIstr_to_port\fP function coverts character tcp port name to integer value in network
byte order.
.SH RETURN VALUES
The \fIstr_to_port\fP function returns atoi of portstr if it is all-digit, tcp port number from
getservbyname if it is not, and exits with fwtkcfgerr if the service
is unknown.
.SH SEE ALSO
getservbyname(3)
.SH HISTORY
present in fwtk since v2