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jquery 源码 分析

学习jquery,网上有源码分析,看这个源码分析有多大帮助
更新时间:2022-08-08 13:08

最满意答案

#include 
           

 
            
#include 
            
 
  
             
#include 
             
  
   
              
#include 
              
   
    
               
#include 
               
    
     
                
#include 
                
     
       int main() { int pipe_fds[2]; int pid; if(pipe(pipe_fds)) { fprintf(stderr,"pipe error!\n"); return -1; } if((pid = fork())<0) { fprintf(stderr, "fork error!\n"); return -1; } if(pid == 0) { char buf[20] = {0}; int n,i; close(pipe_fds[1]); read(pipe_fds[0],buf,sizeof(buf)); n=atoi(buf); for(i=1;i<=n;i++) { if(i%10 == 0) printf("\n"); printf("%d\t",i); } close(pipe_fds[0]); } else { int m; char bf[20] = {0}; close(pipe_fds[0]); printf("the child pid:%d\n",pid); printf("please input number:"); scanf("%d",&m); printf("\n"); sprintf(bf,"%d",m); write(pipe_fds[1],bf,sizeof(bf)); wait(NULL); printf("child complete!\n"); } return 0; } 
     
               
    
              
   
             
  
            
 
           

其他回答

#include 
           

 
            
#include 
            
 
  
             
#include 
             
  
   
              

int main()
{
    pid_t pid;
    char *message;
    int n;
        pid_t chldpid;
        pid_t ppid;

    printf("fork program starting\n");
    pid = fork();
    switch(pid) 
    {
    case -1:
        perror("fork failed");
       _exit(1);
    case 0:
        chldpid = getpid();
        printf("chldpid = %ld ppid=%ld\n",(unsigned int)chldpid,(unsigned int)getppid());
        message = "this is the child";
        n = 5;
        break;
    default:
        ppid = getpid();
        printf("ppid = %ld ppid=%ld\n",(unsigned int)ppid,(unsigned int)getppid());
        message = "this is the parent";
        n = 3;
        break;
    }

    for(; n > 0; n--) {
        puts(message);
        sleep(1);
    }
    _exit(0);
}
             
  
            
 
           

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