.gitignore

@@ -1 +0,0 @@
-*.out

chapter-5/5-3.c

@@ -1,35 +0,0 @@
-/* Exercise 5-3. Write a pointer version of the function strcat that we showed
- * in Chapter 2:  strcat(s,t) copies the string t to the end of s.  */
-
-#include <ctype.h>
-#include <stdio.h>
-
-// version 1
-void my_strcat1(char *s, char *t) {
-  while (*s)
-    s++; // go to end of s
-
-  while ((*s = *t) != '\0') {
-    s++;
-    t++;
-  }
-}
-
-// version 2
-void my_strcat2(char *s, char *t) {
-  while (*s)
-    s++; // go to end of s
-  while ((*s++ = *t++))
-    ; // then copy
-}
-
-int main() {
-  char s[50] = "Hello, ";
-  char t[] = "world!";
-
-  my_strcat2(s, t);
-
-  printf("%s\n", s);
-
-  return 0;
-}