linux下的popen()函数

 

linux下popen函数编程要点及解析   #include <stdio.h> int main(int argc, char *argv[]) {          char buf[128];          FILE *pp;          //if( (pp = popen("ls -l", "r")) == NULL )          if( (pp = popen("/mnt/apps/bin/wetctl eth1 list | awk '/0[0-1][0-9]/{print }'", "r")) == NULL )          {                  printf("popen() error!/n");                  exit(1);          }          while(fgets(buf, sizeof buf, pp))          {                  printf("%s", buf);          }          pclose(pp);          return 0; }