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                ## strncpy ## 拷貝字符串 ### 相關函數 ### bcopy,memccpy,memcpy,memmove ### 表頭文件 ### ``` #include<string.h> ``` ### 定義函數 ### ``` char *strncpy(char *dest, const char *src, size_t n); ``` ### 函數說明 ### strncpy()會將參數src字符串拷貝前n個字符至參數dest所指的地址。 ### 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 strncpy() : %s\n",a); printf("after strncpy() : %s\n",strncpy(a,b,6)); } ``` ### 執行 ### ``` before strncpy() : string(1) after strncpy() : string(1) ```
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