%@ id %d, %D, %i long %u, %U unsigned long %hi short %hu unsigned short %qi long long %qu unsigned long long %x, %X unsigned long printed as hexadecimal %o, %O unsigned long printed as octal %f, %e, %E, %g, %G double %c unsigned char as ASCII character %C unichar as Unicode character %s char * (a null-terminal C string of ASCII characters) %S unichar * (a null-terminated C string of Unicode characters) %p void * (an address printed in hexadecimal with a leading 0x) %% a % character
cheat sheets.
$ cheat objc_formats