BSD 4_3_Tahoe release

[unix-history] / usr / src / lib / libc / stdio / fgets.c

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)fgets.c     5.2 (Berkeley) 3/9/86";
#endif LIBC_SCCS and not lint

#include        <stdio.h>

char *
fgets(s, n, iop)
char *s;
register FILE *iop;
{
       register c;
       register char *cs;

       cs = s;
       while (--n>0 && (c = getc(iop)) != EOF) {
               *cs++ = c;
               if (c=='\n')
                       break;
       }
       if (c == EOF && cs==s)
               return(NULL);
       *cs++ = '\0';
       return(s);
}