printbuf
extern void printbuf(char *, int, int);
extern void printbuf(char *, int, int);
printbuf(isc->ipsc_ctxt, isc->ipsc_clen, 0);
printbuf(isc->ipsc_stxt, isc->ipsc_slen, 0);
printbuf(ftp.ftp_side[0].ftps_buf, FTP_BUFSZ, 1);
printbuf(ftp.ftp_side[1].ftps_buf, FTP_BUFSZ, 1);
printbuf();
static char printbuf[CHARSPERLINE + 1];
strlcpy(printbuf, &visbuf[i],
sizeof(printbuf));
printf("'%s'\n", printbuf);