intlinesize; /* Current line buffer size */

 linebuf = (char *) malloc (field_line_inc);
 if (linebuf == NULL)
 return NULL;
 linemax = field_line_inc;
 linesize = 0;
 /*
 * Read in the line.
 */
 while (fgets (&linebuf[linesize], linemax -¬
linesize, file)
 != NULL)
 {
 linesize += strlen (&linebuf[linesize]);
 if (linebuf[linesize - 1] == '\n')
 break;
 else
 {
 linemax += field_line_inc;
 linebuf = (char *) realloc (linebuf, linemax);