| 类型 | 实例 | NSLog字符 |
|---|---|---|
| char | 'a'、'\n' | %c |
| short int | — | %hi、%hx、%ho |
| unsigned short int | — | %hu、%hx、%ho |
| int | 12,-99,0xFF | %i、%x、%o |
| unsigned int | 12u、100U | %u、%x、%o |
| long int | 12L、-20001、0xfffL | %li、%lx、%lo |
| unsigned long int | 12UL、100ul、0xffeeUL | %lu、%lx、%lo |
| long long int | 0xe5e5e5eLL、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 | 12.44、3.1e-5、0x.lp3 | %f、%e、%g、%a |
| long double | 12.34L、3.1e-5l | %Lf、%Le、%Lg |
| id | nil | %p |
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