?? accept.c
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#include <errno.h>#include <fcntl.h>#include <stdio.h>#include <unistd.h>#include <string.h>#include <sys/ioctl.h>#include <sys/socket.h>#include <netinet/in.h>#include <net/netlib.h>#include <net/gen/in.h>#include <net/gen/tcp.h>#include <net/gen/tcp_io.h>#include <net/gen/udp.h>#include <net/gen/udp_io.h>#define DEBUG 0static int _tcp_accept(int socket, struct sockaddr *_RESTRICT address, socklen_t *_RESTRICT address_len);int accept(int socket, struct sockaddr *_RESTRICT address, socklen_t *_RESTRICT address_len){ int r; r= _tcp_accept(socket, address, address_len); return r;#if DEBUG fprintf(stderr, "accept: not implemented for fd %d\n", socket);#endif errno= ENOSYS; return -1;}static int _tcp_accept(int socket, struct sockaddr *_RESTRICT address, socklen_t *_RESTRICT address_len){ int r, s1, t_errno; tcp_cookie_t cookie; s1= open(TCP_DEVICE, O_RDWR); if (s1 == -1) return s1; r= ioctl(s1, NWIOGTCPCOOKIE, &cookie); if (r == -1) { t_errno= errno; close(s1); errno= t_errno; return -1; } r= ioctl(socket, NWIOTCPACCEPTTO, &cookie); if (r == -1) { t_errno= errno; close(s1); errno= t_errno; return -1; } if (address != NULL) getpeername(s1, address, address_len); return s1;}?? 快捷鍵說明
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