diplodocus.org Git - nmh/blob - docs/historical/mh-jun-1982/Extras/libh/getl.c

   1 #ifdef COMMENT
   2         Proprietary Rand Corporation, 1981.
   3         Further distribution of this software
   4         subject to the terms of the Rand
   5         license agreement.
   6 #endif
   7
   8 #include "../h/iobuf.h"
   9 /* return one line using getc, caller must supply iobuf pointer, */
  10 /* line buffer, and max. count */
  11 /* returns actual char count */
  12
  13 getl(bufp,line,cnt)
  14 struct iobuf *bufp;
  15 char line[];
  16 int cnt;
  17 {
  18         register char *lp;
  19         register c, cc;
  20
  21         lp = line;
  22         cc = cnt;
  23         while ((c = getc(bufp)) >= 0) {
  24                 *lp++ = c;
  25                 if (--cc <= 0 || c == '\n') break;
  26         }
  27         return(cnt-cc);
  28 }