1 #include <stdlib.h>
2 #include <stdio.h>
3 #include <unistd.h>
4 #include <string.h>
5 #define MAXLINE 10
6 int main(void)
7 {
8 char buf[MAXLINE];
9 pid_t pid;
10 int status;
11 printf("%%");
12 while(fgets(buf,MAXLINE,stdin)!=NULL){
13 if(buf[strlen(buf)-1] == '\n')
14 buf[strlen(buf)-1] = 0;
15 if (( pid = fork()) < 0 )
16 printf("fork error\n");
17 else if (pid == 0){
18 execlp(buf,buf,(char *)0);
19 printf("could not execute : %s\n",buf);
20 exit(127);
21 }
22 if((pid = waitpid(pid,&status,0))<0)
23 printf("waitpid error\n");
24 }
25 }
