C语言中各数据类型占用字节和值范围
2024/10/25 17:19:15
来源：https://blog.csdn.net/qq_41286666/article/details/139648039
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关键词：C语言中各数据类型占用字节和值范围
| 数据类型 | 占用字节 | 值范围 |
|---|
| char | 1 | -128 ~ 127 |
| unsigned char | 1 | 0 ~ 255 |
| short | 2 | -32768 ~ 32767 |
| unsigned short | 2 | 0 ~ 65535 |
| int | 4 | -2147483648 ~ 2147483647 |
| unsigned int | 4 | 0 ~ 4294967295 |
| float | 4 | 1.17549435110^-38 ~ 3.40282346610^38 |
| double | 8 | 2.225073858507201410^-308 ~ 1.797693134862315810^308 |
| long double | 16 | 3.4 * 10^-4932 ~ 1.1 * 10^4932 |
| long | 8 | -9223372036854775808 ~ 9223372036854775807 |
| unsigned long | 8 | 0 ~ 18446744073709551615 |
| long long | 8 | -9223372036854775808 ~ 9223372036854775807 |
| unsigned long long | 8 | 0 ~ 18446744073709551615 |
