检测系统(linux/window)的各种数据类型所占字节数

  1 #include<stdio.h>
  2 #include<stdlib.h>
  3
  4 int main()
  5 {
  6     printf("short           :%lu\n",sizeof(short));
  7     printf("char            :%lu\n",sizeof(char));
  8     printf("unsigned char       :%lu\n",sizeof(unsigned char));
  9     printf("short int       :%lu\n",sizeof(short int));
 10     printf("unsigned int        :%lu\n",sizeof(unsigned int));
 11     printf("int         :%lu\n",sizeof(int));
 12     printf("long int        :%lu\n",sizeof(long int));
 13     printf("long            :%lu\n",sizeof(long));
 14     printf("float           :%lu\n",sizeof(float));
 15     printf("double          :%lu\n",sizeof(double));
 16     return 1;
 17 }

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Ubuntu下运行结果

Linux嵌入式设备运行结果

                                                                                                          

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