| 类型 | 例子 | NSLog chars |
|---|---|---|
| char | ‘a‘, ‘\n‘ | %c |
| short int | — %hi, %hx, %ho | |
| unsigned short int | %hu, %hx, %ho | |
| int | 12, -97, 0xFFE0, 0177 | %i, %x, %o |
| unsigned int | 12u, 100U, 0XFFu | %u, %x, %o |
| long int | 12L, -2001, 0xffffL | %li, %lx, %lo |
| unsigned long int | 12UL, 100ul, 0xffeeUL | %lu, %lx, %lo |
| long long int | 0xe5e5e5e5LL, 500ll | %lli, %llx, &llo |
| unsigned long long int | 12ull, 0xffeeULL | %llu, %llx, %llo |
| float | 12.34f, 3.1e-5f, 0x1.5p10, 0x1P-1 | %f, %e, %g, %a |
| double | 12.34, 3.1e-5, 0x.1p3 | %f, %e, %g, %a |
| long double | 12.34L, 3.1e-5l | %Lf, $Le, %Lg |
原文：http://www.cnblogs.com/roucheng/p/octype.html