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                ## strncat ## 連接兩字符串 ### 相關函數 ### bcopy,memccpy,memecpy,strcpy,strncpy ### 表頭文件 ### ``` #inclue <string.h> ``` ### 定義函數 ### ``` char *strncat(char *dest, const char *src, size_t n); ``` ### 函數說明 ### strncat()會將參數src字符串拷貝n個字符到參數dest所指的字符串尾。第一個參數dest要有足夠的空間來容納要拷貝的字符串。 ### 返回值 ### 返回參數dest的字符串起始地址。 ### 范例 ### ``` #include <string.h> main() { char a[30]="string(1)"; char b[]="string(2)"; printf("before strnact() :%s\n", a); printf("after strncat() :%s\n", strncat(a,b,6)); } ``` ### 執行 ### ``` before strnact() : string(1) after strncat() : string(1) string ```
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