You learn something new every day:
printf("%.*s\n", 5, "Hello, world!");
printf("%.*s\n", 5, "Hello, world!");
G+: You learn something new every day:printf("%.*s\n", 5, "Hello, …
(+1's) 1
Wow, funky.
$ ./a.out
Hello
$ ./a.out
Hello
Funky syntax though - initially I thought it was some sort of GNU regex extension. The scanf function also uses a '*' flag if you want to ignore a particular field. Apparently both features were snuck into C99.