inttypes.h

最新推荐文章于 2025-07-19 14:38:40 发布

转载最新推荐文章于 2025-07-19 14:38:40 发布 · 403 阅读

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原文链接：http://www.cnblogs.com/itpoorman/p/3918339.html

本文详细解析了C语言中int类型的多种别名及其使用场景，包括int16_t, uint16_t, int32_t, uint32_t, int_least8_t, uint_least8_t, int_fast8_t和uint_fast8_t。通过实例代码演示了如何正确使用这些类型，以避免潜在的溢出风险。

int类型别名

 1 #include <stdio.h>
 2 #include <inttypes.h>
 3 
 4 #include <stdio.h>
 5 #include <inttypes.h>
 6 
 7 int  main(void)
 8 {
 9     int16_t a = 65535;
10     uint16_t b = 65535;
11 
12     int32_t c = 4294967295;
13     uint32_t d = 4294967295;
14 
15     int_least8_t e = 255;
16     uint_least8_t f = 255;
17 
18     int_fast8_t g = 255;
19     uint_fast8_t h = 255;
20 
21     printf("a = %" PRId16 "\n", a);
22     printf("b = %" PRId16 "\n", b);
23     printf("c = %" PRId32 "\n", c);
24     printf("d = %" PRId32 "\n", d);
25     printf("e = %" PRId8 "\n", e);
26     printf("f = %" PRId8 "\n", f);
27     printf("g = %" PRId8 "\n", g);
28     printf("h = %" PRId8 "\n", h);
29 
30     return 0;
31 }

转载于:https://www.cnblogs.com/itpoorman/p/3918339.html