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                ## memccpy ## 拷貝內存內容 ### 相關函數 ### bcopy,memcpy,memmove,strcpy,strncpy ### 表頭文件 ### ``` #include<string.h> ``` ### 定義函數 ### ``` void *memccpy(void *dest, const void *src, int c, size_t n); ``` ### 函數說明 ### memccpy()用來拷貝src所指的內存內容前n個字節到dest所指的地址上。與memcpy()不同的是,memccpy()會在復制時檢查參數c是否出現,若是則返回dest中值為c的下一個字節地址。 ### 返回值 ### 返回指向dest中值為c的下一個字節指針。返回值為0表示在src所指內存前n個字節中沒有值為c的字節。 ### 范例 ### ``` #include<string.h> main() { char a[]="string[a]"; char b[]="string(b)"; memccpy(a,b,'B',sizeof(b)); printf("memccpy():%s\n",a); } ``` ### 執行 ### ``` memccpy():string(b) ```
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