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-rw-r--r--games/arithmetic/arithmetic.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/games/arithmetic/arithmetic.c b/games/arithmetic/arithmetic.c
index 0f2f85db86d..8cd72060abc 100644
--- a/games/arithmetic/arithmetic.c
+++ b/games/arithmetic/arithmetic.c
@@ -117,7 +117,7 @@ main(argc, argv)
register char *p;
for (p = keys = optarg; *p; ++p)
- if (!index(keylist, *p)) {
+ if (!strchr(keylist, *p)) {
(void)fprintf(stderr,
"arithmetic: unknown key.\n");
exit(1);
@@ -365,7 +365,7 @@ opnum(op)
{
char *p;
- if (op == 0 || (p = index(keylist, op)) == NULL) {
+ if (op == 0 || (p = strchr(keylist, op)) == NULL) {
(void)fprintf(stderr,
"arithmetic: bug: op %c not in keylist %s\n", op, keylist);
exit(1);