feature: a lot of stuff and got to a working command line ish

kernel/libc/libc.c

@@ -14,10 +14,6 @@ int memcpy(char *dst, char *src, int amount) {
     return 0;
 }
 
-int strcpy(char *dst, char *src) {
-    return memcpy(dst, src, strlen(src) + 1);
-}
-
 int memset(char *dst, char data, int amount) {
     for (int i = 0; i < amount; ++i) {
         dst[i] = data;
@@ -34,11 +30,9 @@ int itoa(int i, char *target) {
     return 0;
 }
 
-int strlen(char *str) {
-    int length = 0;
-    while (str[length] != 0) {
-        length++;
+int maxi(int a, int b) {
+    if (a >= b) {
+        return a;
     }
-    return length;
+    return b;
 }
-