根据PID获取进程名&根据进程名获取PID

根据PID获取进程名&根据进程名获取PID

 #include <sys/types.h>
 #include <dirent.h>
 #include <stdio.h>
 #include <.h>
 
  BUF_SIZE 1024
 
  getPidByName(*      DIR *      dirent *     FILE *      filepath[];
      cur_task_name[];
          dir = opendir(); 
      (NULL !=           ((ptr = readdir(dir)) != NULL) 
              
              ((strcmp(ptr->d_name, ) == ) || (strcmp(ptr->d_name, ) == ))             
              (DT_DIR != ptr->         　　　　　             
             sprintf(filepath, , ptr->d_name);
             fp = fopen(filepath, );
              (NULL !=                  ( fgets(buf, BUF_SIZE-, fp)==              　　　　          　　　　sscanf(buf,          
                 
                  (!            　　　　 printf(, ptr->              
          closedir(dir);
   
  getNameByPid(pid_t pid,  *           
     sprintf(proc_pid_path,      FILE* fp = fopen(proc_pid_path,      (NULL !=         ( fgets(buf, BUF_SIZE-, fp)==            sscanf(buf,    
  main( argc, **       task_name[     pid_t pid = 
     printf(      
     
        
     printf(      sleep( }