usr/src/usr.bin/uucp/uuname/uuname.c

#ifndef lint
static char sccsid[] = "@(#)uuname.c    5.1 (Berkeley) %G%";
#endif

#include "uucp.h"
#include <signal.h>

/*******
 *      uuname  -  return list of all remote systems
 *                 recognized by uucp, or  (with -l) the local
 *                 uucp name.
 *
 *      return codes: 0 | 1  (can't read)
 */

main(argc,argv)
char *argv[];
int argc;
{
        int i;
        int intrEXIT();
        FILE *np;
/* Increase buffers for s and prev.  cornell!pavel */
        char prev[1000];
        char s[1000];

        chdir(Spool);
        strcpy(Progname, "uuname");
        signal(SIGILL, intrEXIT);
        signal(SIGTRAP, intrEXIT);
        signal(SIGIOT, intrEXIT);
        signal(SIGEMT, intrEXIT);
        signal(SIGFPE, intrEXIT);
        signal(SIGBUS, intrEXIT);
        signal(SIGSEGV, intrEXIT);
        signal(SIGSYS, intrEXIT);
        signal(SIGINT, intrEXIT);
        signal(SIGHUP, intrEXIT);
        signal(SIGQUIT, intrEXIT);
        signal(SIGTERM, intrEXIT);

        if(argv[1][0] == '-' && argv[1][1] == 'l') {
                uucpname(s);
                printf("%s\n",s);
                exit(0);
        }
        if(argc != 1) {printf("Usage: uuname [-l]\n"); exit(1);}
        if((np = fopen(SYSFILE,"r")) == NULL) {
                printf("%s (name file) protected\n",SYSFILE);
                exit(1);
        }
        while ( cfgets(s,sizeof(s),np) != NULL ) {
                for(i=0; s[i]!=' ' && s[i]!='\t'; i++)
                        ;
                s[i]='\0';
                if (strcmp(s, prev) == SAME)
                        continue;
                if(s[0]=='x' && s[1]=='x' && s[2]=='x')
                        continue;
                printf("%s\n",s);
                strcpy(prev, s);
        }

        exit(0);
}
intrEXIT(inter)
{
        exit(inter);
}