1 files changed, 18 insertions, 7 deletions

diff --git a/src/kernel/libc.c b/src/kernel/libc.c
index dc5c0ac..c786cd0 100644
--- a/src/kernel/libc.c
+++ b/src/kernel/libc.c
@@ -39,22 +39,33 @@ void strcpy(char *dest, char *src) {
   }
 }
 
-void memcpy(char *dest, char *src, size_t n) {
+void *memcpy(void *dest, char *src, size_t n) {
+  char *p = dest;
   for(unsigned int i = 0; i <= n; i++) {
-    dest[i] = src[i];
+    p[i] = src[i];
   }
+  return(dest);
 }
 
-void bzero(void *dest, size_t size) {
-  unsigned char *p1 = dest;
+void *bzero(void *dest, size_t size) {
+  char *p = dest;
   for(uint64_t i = 0; i < size; i++) {
-    p1[i] = 0;
+    p[i] = 0;
   }
+  return(dest);
 }
 
 //TODO move this function to a seperate math library
-int ceil(float n) {
+unsigned int ceil(double n) {
   int low_n = (int)n;
-  if(n == (float)low_n) return(low_n);
+  if(n == (double)low_n) return(low_n);
   return(low_n + 1);
 }
+
+void *memset(void *s, char c, size_t n) {
+  char *p = s;
+  for(size_t i = 0; i < n; i++) {
+    p[i] = c;
+  }
+  return(s);
+}