Implemented some basic libc functions and a text console

libc/string/strcat.c

@@ -0,0 +1,22 @@
+#include <socks/libc/string.h>
+
+char *strcat(char *dest, const char *src) {
+    size_t start = strlen(dest), i = 0;
+    for (i = 0; src[i] != '\0'; i++) {
+        dest[start + i] = src[i];
+    }
+
+    dest[start + i] = '\0';
+    return dest;
+}
+
+char *strncat(char *dest, const char *src, size_t num) {
+    size_t start = strlen(dest), i = 0;
+    for (i = 0; i < num; i++) {
+        dest[start + i] = src[i];
+    }
+
+    dest[start + i] = '\0';
+    return dest;
+}
+