feat: reformatted code

kernel/libc/libc.c

@@ -32,12 +32,13 @@ int abs(int val) {
 // next stolen form https://www.techiedelight.com/implement-itoa-function-in-c/
 // inline function to swap two numbers
 void swap(char *x, char *y) {
-    char t = *x; *x = *y; *y = t;
+    char t = *x;
+    *x = *y;
+    *y = t;
 }
 
 // function to reverse buffer[i..j]
-char* reverse(char *buffer, int i, int j)
-{
+char *reverse(char *buffer, int i, int j) {
     while (i < j)
         swap(&buffer[i++], &buffer[j--]);
 
@@ -45,8 +46,7 @@ char* reverse(char *buffer, int i, int j)
 }
 
 // Iterative function to implement itoa() function in C
-char* itoa(int value, char* buffer, int base)
-{
+char *itoa(int value, char *buffer, int base) {
     // invalid input
     if (base < 2 || base > 32)
         return buffer;
@@ -55,8 +55,7 @@ char* itoa(int value, char* buffer, int base)
     int n = abs(value);
 
     int i = 0;
-    while (n)
-    {
+    while (n) {
         int r = n % base;
 
         if (r >= 10)