setsockopt getsockop POLLIN poll FD_ZERO FD_SET FD_ISSET FD_CLR select TCP UDP revfrom
sendto send recv connect accept listen inet_addr inet_ntoa ntohs ntohl htons htonl
sockaddr_in bind socket pthread_mutex_destroy pthread_mutex_unlock pthread_mutex_lock
pthread_mutex_init sem_post sem_wait sem_init pthread_detach pthread_attr_destroy
pthread_attr_setdetachstate pthread_attr_init pthread_join pthread_exit pthread_create
msgctl msgrcv msgsnd msgget semctl semop semget shmctl shmdt shmat ftok shmget pause
signal sighandler_t atoi AF_INET AF_INET6 SOCK_STREAM SOCK_DGRAM SOCK_RAW SYN
ACK URG PSH FIN RST SOL_SOCKET SO_BROADCAST SO_REUSEADDR IPPROTO_IP
IP_ADD_MEMBERSHIP struct ip_mreq INADDR_ANY
kill mkfifo pipe sudo vim var/log/syslog closelog syslog openlog dup dup2 umask
chdir sysconf setsid setpgid getpgid waitpid wait _exit exit flock execvpe execvp execv
execle execlp execl environ fork getppid getpid closedir readdir opendir getgrgid
getpwuid lstat fstat stat sscanf fscanf scanf sprintf fprintf lseek close write read open
clock_gettime asctime tm*localtime ctime time sleep ferror feof rewind ftell fseek fclose
fwrite fread puts fputs gets fgets getputc putc fputc getchar getc fgetc fopen va_end
va_arg va_start perror realloc calloc free malloc qsort memset bzero strcat strcpy strcmp
strlen scanf printf main O_RDONLY O_WRONLY O_RDWR O_EXCL O_NOCTTY O_TRUNC
O_APPEND O_CREAT SEEK_SET SEEK_CUR SEEK_END #include <sys/types.h>
#include <sys/stat.h> #include <fcntl.h> O_RDONLY O_WRONLY O_RDWR O_EXCL
O_NOCTTY O_TRUNC O_APPEND O_CREAT short inline argc argv #pragma pack(pop)
#endif #include <stdio.h> #include <string.h> case linux continue break
const volatile short sizeof float double unsigned signed auto register static extern
typedef switch default while enum continue const volatile touch mkdir Makefile
#ifndef #define #endif #include <stdio.h> #include <string.h> true false shell process
chmod apt-get updata passwd bool #define #ifndnf errno next head tail node hash prev 位域: