标签:turn ade 顺序 lin mac clu include pre har
#include <stdio.h> typedef int* int_ptr; typedef unsigned char* byte_ptr; void show_bytes( byte_ptr start, int len ){ int i; for( i = 0; i < len; ++i ){ printf( " %4.2x", start[i] ); } printf( "\n" ); } void show_int( int x ){ show_bytes( ( byte_ptr ) &x, sizeof( int ) ); } void show_float( float x ){ show_bytes( ( byte_ptr ) &x, sizeof( float ) ); } void show_ptr( void* x ){ show_bytes( ( byte_ptr ) &x, sizeof( void* ) ); } void test_show_bytes( int val ){ int ival = val; float fval = ( float ) ival; int* pval = &ival; show_int( ival ); show_float( fval ); show_ptr( pval ); } int main(){ /* Machine | value | type | byte( hexadecimal ) | ------------------------------------- Linux | 12345 | int | 39 30 00 00 NT | 12345 | int | 39 30 00 00 Sun | 12345 | int | 00 00 30 39 ( big endian ) Alpha | 12345 | int | 39 30 00 00 -------------------------------------- Linux | 12345.0 | float | 00 e4 40 46 NT | 12345.0 | float | 00 e4 40 46 Sun | 12345.0 | float | 46 40 e4 00 Alpha | 12345.0 | float | 00 e4 40 46 -------------------------------------- Linux | &ival | int* | 3e fa ff bf NT | &ival | int* | 1c ff 44 02 Sun | &ival | int* | ef ff fc e4 Alpha | &ival | int* | 80 fc ff 1f 01 00 00 00 */ test_show_bytes( 12345 ); return 0; }
标签:turn ade 顺序 lin mac clu include pre har
原文地址:http://www.cnblogs.com/mthoutai/p/6763660.html