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                ## strcpy ## 拷貝字符串 ### 相關函數 ### bcopy,memcpy,memccpy,memmove ### 表頭文件 ### ``` #include<string.h> ``` ### 定義函數 ### ``` char *strcpy(char *dest, const char *src); ``` ### 函數說明 ### strcpy()會將參數src字符串拷貝至參數dest所指的地址。 ### 返回值 ### 返回參數dest的字符串起始地址。 ### 附加說明 ### 如果參數dest所指的內存空間不夠大,可能會造成緩沖溢出(buffer Overflow)的錯誤情況,在編寫程序時請特別留意,或者用strncpy()來取代。 ### 范例 ### ``` #include<string.h> main() { char a[30]="string(1)"; char b[]="string(2)"; printf("before strcpy() :%s\n",a); printf("after strcpy() :%s\n",strcpy(a,b)); } ``` ### 執行 ### ``` before strcpy() :string(1) after strcpy() :string(2) ```
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