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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                ## getpid ## 取得進程識別碼 ### 相關函數 ### fork,kill,getpid ### 表頭文件 ### ``` #include<unistd.h> ``` ### 定義函數 ### ``` pid_t getpid(void); ``` ### 函數說明 ### getpid()用來取得目前進程的進程識別碼,許多程序利用取到的此值來建立臨時文件,以避免臨時文件相同帶來的問題。 ### 返回值 ### 目前進程的進程識別碼 ### 范例 ### ``` #include<unistd.h> main() { printf(“pid=%d\n”,getpid()); } ``` ### 執行 ### ``` pid=1494 /*每次執行結果都不一定相同*/ ```
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