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#include <stdio.h> template<typename T> inline T set_hibyte(T val, unsigned char cb){ const int n = (sizeof(T) << 3) - 8; return (val & ~(0xFF << n)) | ((T)cb << n); } int main(void) { unsigned short val = 0x1234; // word printf("src: %X\n", val); printf("dst: %X\n", set_hibyte(val, 0xEF)); unsigned int val1 = 0x12345678; // dword printf("src: %X\n", val1); printf("dst: %X\n", set_hibyte(val1, 0xAB)); return 0; }
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