Printing pointer addresses in C [two questions]

Question

I know that my questions are very simple but googleing them didn\'t get me any useful results... They\'r probably too simple!!

No. 1

char* createStr(         


        

Answer 1

For the second exemple : *argv[1] is a char * (i.e "3" )
If you want to display "3" you have to use printf("%s\n", *argv[1]); or get an integer from the string using atoi().
Maybe you can even try to write your own version of atoi()!