Fixed some errors.

Abhrankan-Chakrabarti · May 11, 2023 · 2299308 · 2299308
1 parent 261ef58
commit 2299308
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diff --git a/string/string.c b/string/string.c
@@ -39,3 +39,19 @@ int tonumericdigit(char c)
 
     return c - '0';
 }
+void *memset(void *s, int c, size_t n) {
+    unsigned char *p = s;
+    while (n--) {
+        *p++ = (unsigned char)c;
+    }
+    return s;
+}
+
+int memcmp(const void *s1, const void *s2, size_t n) {
+    const unsigned char *p1 = s1, *p2 = s2;
+    while (n-- && (*p1 == *p2)) {
+        p1++;
+        p2++;
+    }
+    return (n < 0) ? 0 : (*p1 - *p2);
+}
diff --git a/string/string.h b/string/string.h
@@ -25,4 +25,6 @@ int isdigit(char c);
  */
 int tonumericdigit(char c);
 
+void *memset(void *s, int c, size_t n);
+int memcmp(const void *s1, const void *s2, size_t n);
 #endif