1*48652Sbostic /*- 2*48652Sbostic * Copyright (c) 1985 The Regents of the University of California. 3*48652Sbostic * All rights reserved. 4*48652Sbostic * 5*48652Sbostic * %sccs.include.proprietary.c% 6*48652Sbostic */ 7*48652Sbostic 813666Ssam #ifndef lint 9*48652Sbostic static char sccsid[] = "@(#)prefix.c 5.4 (Berkeley) 04/24/91"; 10*48652Sbostic #endif /* not lint */ 1113666Ssam 1223616Sbloom /*LINTLIBRARY*/ 1323616Sbloom 1417838Sralph /* 1517838Sralph * check s2 for prefix s1 1613666Ssam * 1713666Ssam * return 0 - != 1813666Ssam * return 1 - == 1913666Ssam */ 2013666Ssam 2113666Ssam prefix(s1, s2) 2213666Ssam register char *s1, *s2; 2313666Ssam { 2413666Ssam register char c; 2513666Ssam 2613666Ssam while ((c = *s1++) == *s2++) 2713666Ssam if (c == '\0') 2817838Sralph return 1; 2917838Sralph return c == '\0'; 3013666Ssam } 3113666Ssam 3217838Sralph /* 3317838Sralph * check s2 for prefix s1 with a wildcard character ? 3413666Ssam * 3513666Ssam * return 0 - != 3613666Ssam * return 1 - == 3713666Ssam */ 3813666Ssam 3913666Ssam wprefix(s1, s2) 4013666Ssam register char *s1, *s2; 4113666Ssam { 4213666Ssam register char c; 4313666Ssam 4413666Ssam while ((c = *s1++) != '\0') 4513666Ssam if (*s2 == '\0' || (c != *s2++ && c != '?')) 4617838Sralph return 0; 4717838Sralph return 1; 4813666Ssam } 49