cstr_copy

src/string/cstr.c

@@ -1,5 +1,15 @@
 #include "tlibc/string/cstr.h"
 
+char* cstr_copy(cstr self){
+    if(self == NULL)
+        return NULL;
+    
+    u64 len_with_zero = strlen(self) + 1;
+    char* copy = (char*)malloc(len_with_zero);
+    memcpy(copy, self, len_with_zero);
+    return copy;
+}
+
 char* _strcat_malloc(u64 n, cstr str0, ...){
     va_list args;
     va_start(args, str0);