BSD 4_2 release

[unix-history] / usr / src / usr.bin / learn / list.c

#ifndef lint
static char sccsid[] = "@(#)list.c      4.2     (Berkeley)      4/25/83";
#endif not lint

#include "stdio.h"
#include "lrnref.h"
#include "signal.h"

int istop;

list(r)
char *r;
{
       int stop(), intrpt();
       FILE *ft;
       char s[100];

       if (r==0)
               return;
       istop = 1;
       signal(SIGINT, stop);
       ft = fopen(r, "r");
       if (ft != NULL) {
               while (fgets(s, 100, ft) && istop)
                       fputs(s, stdout);
               fclose(ft);
       }
       signal(SIGINT, intrpt);
}

stop()
{
       istop=0;
}