4.3BSD - /usr/src/usr.bin/uucp/prefix.c

   1: #ifndef lint
   2: static char sccsid[] = "@(#)prefix.c	5.3 (Berkeley) 6/20/85";
   3: #endif
   4: 
   5: /*LINTLIBRARY*/
   6: 
   7: /*
   8:  *	check s2 for prefix s1
   9:  *
  10:  *	return 0 - !=
  11:  *	return 1 - ==
  12:  */
  13: 
  14: prefix(s1, s2)
  15: register char *s1, *s2;
  16: {
  17:     register char c;
  18: 
  19:     while ((c = *s1++) == *s2++)
  20:         if (c == '\0')
  21:             return 1;
  22:     return c == '\0';
  23: }
  24: 
  25: /*
  26:  *	check s2 for prefix s1 with a wildcard character ?
  27:  *
  28:  *	return 0 - !=
  29:  *	return 1 - ==
  30:  */
  31: 
  32: wprefix(s1, s2)
  33: register char *s1, *s2;
  34: {
  35:     register char c;
  36: 
  37:     while ((c = *s1++) != '\0')
  38:         if (*s2 == '\0'  ||  (c != *s2++  &&  c != '?'))
  39:             return 0;
  40:     return 1;
  41: }

Defined functions

Defined variables