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void strcpy(char *dest, char *src) {    while (*dest++ = *src++) {        *dest = 0;    }}

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char cTemp; // ????void SwapChar1(char *lpcX, char *lpcY) {    cTemp = *lpcX;    *lpcX = *lpcY;    lpcY = cTemp;}

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static char cTemp; // ??????void SwapChar2(char *lpcX, char *lpcY) {    cTemp = *lpcX;    *lpcX = *lpcY;    lpcY = cTemp;}

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unsigned int sum_int(unsigned int base) {    static unsigned int sum = 0; // ???sum?????    for (unsigned int index = 1; index <= base; ++index) {        sum += index;    }    return sum;}

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