C中SUBSTR的实现
Example:char *strSrc[] = "abcdefghi";char strDes;memset(strDes,'\0',sizeof(strDes));strncpy(strDes, strSrc+1, 2); //相当与subStr(strSrc,1,2)或用 stdio.h 里的 sscanf 函数:char *strSrc[] = "abcdefghi";char *strDes;sscanf(strSrc, "%2s", strDes);
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