| /* vi: set sw=4 ts=4: */ |
| /* |
| * Mini netstat implementation(s) for busybox |
| * based in part on the netstat implementation from net-tools. |
| * |
| * Copyright (C) 2002 by Bart Visscher <magick@linux-fan.com> |
| * |
| * 2002-04-20 |
| * IPV6 support added by Bart Visscher <magick@linux-fan.com> |
| * |
| * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. |
| */ |
| |
| #include "busybox.h" |
| #include "inet_common.h" |
| |
| #ifdef CONFIG_ROUTE |
| extern void displayroutes(int noresolve, int netstatfmt); |
| #endif |
| |
| #define NETSTAT_CONNECTED 0x01 |
| #define NETSTAT_LISTENING 0x02 |
| #define NETSTAT_NUMERIC 0x04 |
| /* Must match getopt32 option string */ |
| #define NETSTAT_TCP 0x10 |
| #define NETSTAT_UDP 0x20 |
| #define NETSTAT_RAW 0x40 |
| #define NETSTAT_UNIX 0x80 |
| #define NETSTAT_ALLPROTO (NETSTAT_TCP|NETSTAT_UDP|NETSTAT_RAW|NETSTAT_UNIX) |
| |
| static int flags = NETSTAT_CONNECTED | NETSTAT_ALLPROTO; |
| |
| #define PROGNAME_WIDTHs PROGNAME_WIDTH1(PROGNAME_WIDTH) |
| #define PROGNAME_WIDTH1(s) PROGNAME_WIDTH2(s) |
| #define PROGNAME_WIDTH2(s) #s |
| |
| #define PRG_HASH_SIZE 211 |
| |
| enum { |
| TCP_ESTABLISHED = 1, |
| TCP_SYN_SENT, |
| TCP_SYN_RECV, |
| TCP_FIN_WAIT1, |
| TCP_FIN_WAIT2, |
| TCP_TIME_WAIT, |
| TCP_CLOSE, |
| TCP_CLOSE_WAIT, |
| TCP_LAST_ACK, |
| TCP_LISTEN, |
| TCP_CLOSING /* now a valid state */ |
| }; |
| |
| static const char * const tcp_state[] = |
| { |
| "", |
| "ESTABLISHED", |
| "SYN_SENT", |
| "SYN_RECV", |
| "FIN_WAIT1", |
| "FIN_WAIT2", |
| "TIME_WAIT", |
| "CLOSE", |
| "CLOSE_WAIT", |
| "LAST_ACK", |
| "LISTEN", |
| "CLOSING" |
| }; |
| |
| typedef enum { |
| SS_FREE = 0, /* not allocated */ |
| SS_UNCONNECTED, /* unconnected to any socket */ |
| SS_CONNECTING, /* in process of connecting */ |
| SS_CONNECTED, /* connected to socket */ |
| SS_DISCONNECTING /* in process of disconnecting */ |
| } socket_state; |
| |
| #define SO_ACCEPTCON (1<<16) /* performed a listen */ |
| #define SO_WAITDATA (1<<17) /* wait data to read */ |
| #define SO_NOSPACE (1<<18) /* no space to write */ |
| |
| static char *get_sname(int port, const char *proto, int num) |
| { |
| char *str=itoa(ntohs(port)); |
| if (num) { |
| } else { |
| struct servent *se=getservbyport(port,proto); |
| if (se) |
| str=se->s_name; |
| } |
| if (!port) { |
| str="*"; |
| } |
| return str; |
| } |
| |
| static void snprint_ip_port(char *ip_port, int size, struct sockaddr *addr, int port, char *proto, int numeric) |
| { |
| char *port_name; |
| |
| #ifdef CONFIG_FEATURE_IPV6 |
| if (addr->sa_family == AF_INET6) { |
| INET6_rresolve(ip_port, size, (struct sockaddr_in6 *)addr, |
| (numeric&NETSTAT_NUMERIC) ? 0x0fff : 0); |
| } else |
| #endif |
| { |
| INET_rresolve(ip_port, size, (struct sockaddr_in *)addr, |
| 0x4000 | ((numeric&NETSTAT_NUMERIC) ? 0x0fff : 0), |
| 0xffffffff); |
| } |
| port_name=get_sname(htons(port), proto, numeric); |
| if ((strlen(ip_port) + strlen(port_name)) > 22) |
| ip_port[22 - strlen(port_name)] = '\0'; |
| ip_port+=strlen(ip_port); |
| strcat(ip_port, ":"); |
| strcat(ip_port, port_name); |
| } |
| |
| static void tcp_do_one(int lnr, const char *line) |
| { |
| char local_addr[64], rem_addr[64]; |
| const char *state_str; |
| char more[512]; |
| int num, local_port, rem_port, d, state, timer_run, uid, timeout; |
| #ifdef CONFIG_FEATURE_IPV6 |
| struct sockaddr_in6 localaddr, remaddr; |
| char addr6[INET6_ADDRSTRLEN]; |
| struct in6_addr in6; |
| #else |
| struct sockaddr_in localaddr, remaddr; |
| #endif |
| unsigned long rxq, txq, time_len, retr, inode; |
| |
| if (lnr == 0) |
| return; |
| |
| more[0] = '\0'; |
| num = sscanf(line, |
| "%d: %64[0-9A-Fa-f]:%X %64[0-9A-Fa-f]:%X %X %lX:%lX %X:%lX %lX %d %d %ld %512s\n", |
| &d, local_addr, &local_port, |
| rem_addr, &rem_port, &state, |
| &txq, &rxq, &timer_run, &time_len, &retr, &uid, &timeout, &inode, more); |
| |
| if (strlen(local_addr) > 8) { |
| #ifdef CONFIG_FEATURE_IPV6 |
| sscanf(local_addr, "%08X%08X%08X%08X", |
| &in6.s6_addr32[0], &in6.s6_addr32[1], |
| &in6.s6_addr32[2], &in6.s6_addr32[3]); |
| inet_ntop(AF_INET6, &in6, addr6, sizeof(addr6)); |
| inet_pton(AF_INET6, addr6, (struct sockaddr *) &localaddr.sin6_addr); |
| sscanf(rem_addr, "%08X%08X%08X%08X", |
| &in6.s6_addr32[0], &in6.s6_addr32[1], |
| &in6.s6_addr32[2], &in6.s6_addr32[3]); |
| inet_ntop(AF_INET6, &in6, addr6, sizeof(addr6)); |
| inet_pton(AF_INET6, addr6, (struct sockaddr *) &remaddr.sin6_addr); |
| localaddr.sin6_family = AF_INET6; |
| remaddr.sin6_family = AF_INET6; |
| #endif |
| } else { |
| sscanf(local_addr, "%X", |
| &((struct sockaddr_in *) &localaddr)->sin_addr.s_addr); |
| sscanf(rem_addr, "%X", |
| &((struct sockaddr_in *) &remaddr)->sin_addr.s_addr); |
| ((struct sockaddr *) &localaddr)->sa_family = AF_INET; |
| ((struct sockaddr *) &remaddr)->sa_family = AF_INET; |
| } |
| |
| if (num < 10) { |
| bb_error_msg("warning, got bogus tcp line"); |
| return; |
| } |
| state_str = tcp_state[state]; |
| if ((rem_port && (flags&NETSTAT_CONNECTED)) || |
| (!rem_port && (flags&NETSTAT_LISTENING))) |
| { |
| snprint_ip_port(local_addr, sizeof(local_addr), |
| (struct sockaddr *) &localaddr, local_port, |
| "tcp", flags&NETSTAT_NUMERIC); |
| |
| snprint_ip_port(rem_addr, sizeof(rem_addr), |
| (struct sockaddr *) &remaddr, rem_port, |
| "tcp", flags&NETSTAT_NUMERIC); |
| |
| printf("tcp %6ld %6ld %-23s %-23s %-12s\n", |
| rxq, txq, local_addr, rem_addr, state_str); |
| |
| } |
| } |
| |
| static void udp_do_one(int lnr, const char *line) |
| { |
| char local_addr[64], rem_addr[64]; |
| char *state_str, more[512]; |
| int num, local_port, rem_port, d, state, timer_run, uid, timeout; |
| #ifdef CONFIG_FEATURE_IPV6 |
| struct sockaddr_in6 localaddr, remaddr; |
| char addr6[INET6_ADDRSTRLEN]; |
| struct in6_addr in6; |
| #else |
| struct sockaddr_in localaddr, remaddr; |
| #endif |
| unsigned long rxq, txq, time_len, retr, inode; |
| |
| if (lnr == 0) |
| return; |
| |
| more[0] = '\0'; |
| num = sscanf(line, |
| "%d: %64[0-9A-Fa-f]:%X %64[0-9A-Fa-f]:%X %X %lX:%lX %X:%lX %lX %d %d %ld %512s\n", |
| &d, local_addr, &local_port, |
| rem_addr, &rem_port, &state, |
| &txq, &rxq, &timer_run, &time_len, &retr, &uid, &timeout, &inode, more); |
| |
| if (strlen(local_addr) > 8) { |
| #ifdef CONFIG_FEATURE_IPV6 |
| /* Demangle what the kernel gives us */ |
| sscanf(local_addr, "%08X%08X%08X%08X", |
| &in6.s6_addr32[0], &in6.s6_addr32[1], |
| &in6.s6_addr32[2], &in6.s6_addr32[3]); |
| inet_ntop(AF_INET6, &in6, addr6, sizeof(addr6)); |
| inet_pton(AF_INET6, addr6, (struct sockaddr *) &localaddr.sin6_addr); |
| sscanf(rem_addr, "%08X%08X%08X%08X", |
| &in6.s6_addr32[0], &in6.s6_addr32[1], |
| &in6.s6_addr32[2], &in6.s6_addr32[3]); |
| inet_ntop(AF_INET6, &in6, addr6, sizeof(addr6)); |
| inet_pton(AF_INET6, addr6, (struct sockaddr *) &remaddr.sin6_addr); |
| localaddr.sin6_family = AF_INET6; |
| remaddr.sin6_family = AF_INET6; |
| #endif |
| } else { |
| sscanf(local_addr, "%X", |
| &((struct sockaddr_in *) &localaddr)->sin_addr.s_addr); |
| sscanf(rem_addr, "%X", |
| &((struct sockaddr_in *) &remaddr)->sin_addr.s_addr); |
| ((struct sockaddr *) &localaddr)->sa_family = AF_INET; |
| ((struct sockaddr *) &remaddr)->sa_family = AF_INET; |
| } |
| |
| if (num < 10) { |
| bb_error_msg("warning, got bogus udp line"); |
| return; |
| } |
| switch (state) { |
| case TCP_ESTABLISHED: |
| state_str = "ESTABLISHED"; |
| break; |
| |
| case TCP_CLOSE: |
| state_str = ""; |
| break; |
| |
| default: |
| state_str = "UNKNOWN"; |
| break; |
| } |
| |
| #ifdef CONFIG_FEATURE_IPV6 |
| # define notnull(A) (((A.sin6_family == AF_INET6) && \ |
| ((A.sin6_addr.s6_addr32[0]) || \ |
| (A.sin6_addr.s6_addr32[1]) || \ |
| (A.sin6_addr.s6_addr32[2]) || \ |
| (A.sin6_addr.s6_addr32[3]))) || \ |
| ((A.sin6_family == AF_INET) && \ |
| ((struct sockaddr_in *) &A)->sin_addr.s_addr)) |
| #else |
| # define notnull(A) (A.sin_addr.s_addr) |
| #endif |
| if ((notnull(remaddr) && (flags&NETSTAT_CONNECTED)) || |
| (!notnull(remaddr) && (flags&NETSTAT_LISTENING))) |
| { |
| snprint_ip_port(local_addr, sizeof(local_addr), |
| (struct sockaddr *) &localaddr, local_port, |
| "udp", flags&NETSTAT_NUMERIC); |
| |
| snprint_ip_port(rem_addr, sizeof(rem_addr), |
| (struct sockaddr *) &remaddr, rem_port, |
| "udp", flags&NETSTAT_NUMERIC); |
| |
| printf("udp %6ld %6ld %-23s %-23s %-12s\n", |
| rxq, txq, local_addr, rem_addr, state_str); |
| |
| } |
| } |
| |
| static void raw_do_one(int lnr, const char *line) |
| { |
| char local_addr[64], rem_addr[64]; |
| char *state_str, more[512]; |
| int num, local_port, rem_port, d, state, timer_run, uid, timeout; |
| #ifdef CONFIG_FEATURE_IPV6 |
| struct sockaddr_in6 localaddr, remaddr; |
| char addr6[INET6_ADDRSTRLEN]; |
| struct in6_addr in6; |
| #else |
| struct sockaddr_in localaddr, remaddr; |
| #endif |
| unsigned long rxq, txq, time_len, retr, inode; |
| |
| if (lnr == 0) |
| return; |
| |
| more[0] = '\0'; |
| num = sscanf(line, |
| "%d: %64[0-9A-Fa-f]:%X %64[0-9A-Fa-f]:%X %X %lX:%lX %X:%lX %lX %d %d %ld %512s\n", |
| &d, local_addr, &local_port, |
| rem_addr, &rem_port, &state, |
| &txq, &rxq, &timer_run, &time_len, &retr, &uid, &timeout, &inode, more); |
| |
| if (strlen(local_addr) > 8) { |
| #ifdef CONFIG_FEATURE_IPV6 |
| sscanf(local_addr, "%08X%08X%08X%08X", |
| &in6.s6_addr32[0], &in6.s6_addr32[1], |
| &in6.s6_addr32[2], &in6.s6_addr32[3]); |
| inet_ntop(AF_INET6, &in6, addr6, sizeof(addr6)); |
| inet_pton(AF_INET6, addr6, (struct sockaddr *) &localaddr.sin6_addr); |
| sscanf(rem_addr, "%08X%08X%08X%08X", |
| &in6.s6_addr32[0], &in6.s6_addr32[1], |
| &in6.s6_addr32[2], &in6.s6_addr32[3]); |
| inet_ntop(AF_INET6, &in6, addr6, sizeof(addr6)); |
| inet_pton(AF_INET6, addr6, (struct sockaddr *) &remaddr.sin6_addr); |
| localaddr.sin6_family = AF_INET6; |
| remaddr.sin6_family = AF_INET6; |
| #endif |
| } else { |
| sscanf(local_addr, "%X", |
| &((struct sockaddr_in *) &localaddr)->sin_addr.s_addr); |
| sscanf(rem_addr, "%X", |
| &((struct sockaddr_in *) &remaddr)->sin_addr.s_addr); |
| ((struct sockaddr *) &localaddr)->sa_family = AF_INET; |
| ((struct sockaddr *) &remaddr)->sa_family = AF_INET; |
| } |
| |
| if (num < 10) { |
| bb_error_msg("warning, got bogus raw line"); |
| return; |
| } |
| state_str=itoa(state); |
| |
| #ifdef CONFIG_FEATURE_IPV6 |
| # define notnull(A) (((A.sin6_family == AF_INET6) && \ |
| ((A.sin6_addr.s6_addr32[0]) || \ |
| (A.sin6_addr.s6_addr32[1]) || \ |
| (A.sin6_addr.s6_addr32[2]) || \ |
| (A.sin6_addr.s6_addr32[3]))) || \ |
| ((A.sin6_family == AF_INET) && \ |
| ((struct sockaddr_in *) &A)->sin_addr.s_addr)) |
| #else |
| # define notnull(A) (A.sin_addr.s_addr) |
| #endif |
| if ((notnull(remaddr) && (flags&NETSTAT_CONNECTED)) || |
| (!notnull(remaddr) && (flags&NETSTAT_LISTENING))) |
| { |
| snprint_ip_port(local_addr, sizeof(local_addr), |
| (struct sockaddr *) &localaddr, local_port, |
| "raw", flags&NETSTAT_NUMERIC); |
| |
| snprint_ip_port(rem_addr, sizeof(rem_addr), |
| (struct sockaddr *) &remaddr, rem_port, |
| "raw", flags&NETSTAT_NUMERIC); |
| |
| printf("raw %6ld %6ld %-23s %-23s %-12s\n", |
| rxq, txq, local_addr, rem_addr, state_str); |
| |
| } |
| } |
| |
| #define HAS_INODE 1 |
| |
| static void unix_do_one(int nr, const char *line) |
| { |
| static int has = 0; |
| char path[PATH_MAX], ss_flags[32]; |
| char *ss_proto, *ss_state, *ss_type; |
| int num, state, type, inode; |
| void *d; |
| unsigned long refcnt, proto, unix_flags; |
| |
| if (nr == 0) { |
| if (strstr(line, "Inode")) |
| has |= HAS_INODE; |
| return; |
| } |
| path[0] = '\0'; |
| num = sscanf(line, "%p: %lX %lX %lX %X %X %d %s", |
| &d, &refcnt, &proto, &unix_flags, &type, &state, &inode, path); |
| if (num < 6) { |
| bb_error_msg("warning, got bogus unix line"); |
| return; |
| } |
| if (!(has & HAS_INODE)) |
| snprintf(path,sizeof(path),"%d",inode); |
| |
| if ((flags&(NETSTAT_LISTENING|NETSTAT_CONNECTED))!=(NETSTAT_LISTENING|NETSTAT_CONNECTED)) { |
| if ((state == SS_UNCONNECTED) && (unix_flags & SO_ACCEPTCON)) { |
| if (!(flags&NETSTAT_LISTENING)) |
| return; |
| } else { |
| if (!(flags&NETSTAT_CONNECTED)) |
| return; |
| } |
| } |
| |
| switch (proto) { |
| case 0: |
| ss_proto = "unix"; |
| break; |
| |
| default: |
| ss_proto = "??"; |
| } |
| |
| switch (type) { |
| case SOCK_STREAM: |
| ss_type = "STREAM"; |
| break; |
| |
| case SOCK_DGRAM: |
| ss_type = "DGRAM"; |
| break; |
| |
| case SOCK_RAW: |
| ss_type = "RAW"; |
| break; |
| |
| case SOCK_RDM: |
| ss_type = "RDM"; |
| break; |
| |
| case SOCK_SEQPACKET: |
| ss_type = "SEQPACKET"; |
| break; |
| |
| default: |
| ss_type = "UNKNOWN"; |
| } |
| |
| switch (state) { |
| case SS_FREE: |
| ss_state = "FREE"; |
| break; |
| |
| case SS_UNCONNECTED: |
| /* |
| * Unconnected sockets may be listening |
| * for something. |
| */ |
| if (unix_flags & SO_ACCEPTCON) { |
| ss_state = "LISTENING"; |
| } else { |
| ss_state = ""; |
| } |
| break; |
| |
| case SS_CONNECTING: |
| ss_state = "CONNECTING"; |
| break; |
| |
| case SS_CONNECTED: |
| ss_state = "CONNECTED"; |
| break; |
| |
| case SS_DISCONNECTING: |
| ss_state = "DISCONNECTING"; |
| break; |
| |
| default: |
| ss_state = "UNKNOWN"; |
| } |
| |
| strcpy(ss_flags, "[ "); |
| if (unix_flags & SO_ACCEPTCON) |
| strcat(ss_flags, "ACC "); |
| if (unix_flags & SO_WAITDATA) |
| strcat(ss_flags, "W "); |
| if (unix_flags & SO_NOSPACE) |
| strcat(ss_flags, "N "); |
| |
| strcat(ss_flags, "]"); |
| |
| printf("%-5s %-6ld %-11s %-10s %-13s ", |
| ss_proto, refcnt, ss_flags, ss_type, ss_state); |
| if (has & HAS_INODE) |
| printf("%-6d ",inode); |
| else |
| printf("- "); |
| puts(path); |
| } |
| |
| #define _PATH_PROCNET_UDP "/proc/net/udp" |
| #define _PATH_PROCNET_UDP6 "/proc/net/udp6" |
| #define _PATH_PROCNET_TCP "/proc/net/tcp" |
| #define _PATH_PROCNET_TCP6 "/proc/net/tcp6" |
| #define _PATH_PROCNET_RAW "/proc/net/raw" |
| #define _PATH_PROCNET_RAW6 "/proc/net/raw6" |
| #define _PATH_PROCNET_UNIX "/proc/net/unix" |
| |
| static void do_info(const char *file, const char *name, void (*proc)(int, const char *)) |
| { |
| int lnr = 0; |
| FILE *procinfo; |
| |
| procinfo = fopen(file, "r"); |
| if (procinfo == NULL) { |
| if (errno != ENOENT) { |
| perror(file); |
| } else { |
| bb_error_msg("no support for '%s' on this system", name); |
| } |
| } else { |
| do { |
| char *buffer = xmalloc_fgets(procinfo); |
| if (buffer) { |
| (proc)(lnr++, buffer); |
| free(buffer); |
| } |
| } while (!feof(procinfo)); |
| fclose(procinfo); |
| } |
| } |
| |
| /* |
| * Our main function. |
| */ |
| |
| int netstat_main(int argc, char **argv) |
| { |
| enum { |
| OPT_extended = 0x4, |
| OPT_showroute = 0x100, |
| }; |
| unsigned opt; |
| #ifdef CONFIG_FEATURE_IPV6 |
| int inet = 1; |
| int inet6 = 1; |
| #else |
| # define inet 1 |
| # define inet6 0 |
| #endif |
| |
| /* Option string must match NETSTAT_xxx constants */ |
| opt = getopt32(argc, argv, "laentuwxr"); |
| if (opt & 0x1) { // -l |
| flags &= ~NETSTAT_CONNECTED; |
| flags |= NETSTAT_LISTENING; |
| } |
| if (opt & 0x2) flags |= NETSTAT_LISTENING | NETSTAT_CONNECTED; // -a |
| //if (opt & 0x4) // -e |
| if (opt & 0x8) flags |= NETSTAT_NUMERIC; // -n |
| //if (opt & 0x10) // -t: NETSTAT_TCP |
| //if (opt & 0x20) // -u: NETSTAT_UDP |
| //if (opt & 0x40) // -w: NETSTAT_RAW |
| //if (opt & 0x80) // -x: NETSTAT_UNIX |
| if (opt & OPT_showroute) { // -r |
| #ifdef CONFIG_ROUTE |
| displayroutes(flags & NETSTAT_NUMERIC, !(opt & OPT_extended)); |
| return 0; |
| #else |
| bb_error_msg_and_die("-r (display routing table) is not compiled in"); |
| #endif |
| } |
| |
| opt &= NETSTAT_ALLPROTO; |
| if (opt) { |
| flags &= ~NETSTAT_ALLPROTO; |
| flags |= opt; |
| } |
| if (flags & (NETSTAT_TCP|NETSTAT_UDP|NETSTAT_RAW)) { |
| printf("Active Internet connections "); /* xxx */ |
| |
| if ((flags&(NETSTAT_LISTENING|NETSTAT_CONNECTED))==(NETSTAT_LISTENING|NETSTAT_CONNECTED)) |
| printf("(servers and established)"); |
| else { |
| if (flags & NETSTAT_LISTENING) |
| printf("(only servers)"); |
| else |
| printf("(w/o servers)"); |
| } |
| printf("\nProto Recv-Q Send-Q Local Address Foreign Address State \n"); |
| } |
| if (inet && flags&NETSTAT_TCP) |
| do_info(_PATH_PROCNET_TCP,"AF INET (tcp)",tcp_do_one); |
| #ifdef CONFIG_FEATURE_IPV6 |
| if (inet6 && flags&NETSTAT_TCP) |
| do_info(_PATH_PROCNET_TCP6,"AF INET6 (tcp)",tcp_do_one); |
| #endif |
| if (inet && flags&NETSTAT_UDP) |
| do_info(_PATH_PROCNET_UDP,"AF INET (udp)",udp_do_one); |
| #ifdef CONFIG_FEATURE_IPV6 |
| if (inet6 && flags&NETSTAT_UDP) |
| do_info(_PATH_PROCNET_UDP6,"AF INET6 (udp)",udp_do_one); |
| #endif |
| if (inet && flags&NETSTAT_RAW) |
| do_info(_PATH_PROCNET_RAW,"AF INET (raw)",raw_do_one); |
| #ifdef CONFIG_FEATURE_IPV6 |
| if (inet6 && flags&NETSTAT_RAW) |
| do_info(_PATH_PROCNET_RAW6,"AF INET6 (raw)",raw_do_one); |
| #endif |
| if (flags&NETSTAT_UNIX) { |
| printf("Active UNIX domain sockets "); |
| if ((flags&(NETSTAT_LISTENING|NETSTAT_CONNECTED))==(NETSTAT_LISTENING|NETSTAT_CONNECTED)) |
| printf("(servers and established)"); |
| else { |
| if (flags&NETSTAT_LISTENING) |
| printf("(only servers)"); |
| else |
| printf("(w/o servers)"); |
| } |
| |
| printf("\nProto RefCnt Flags Type State I-Node Path\n"); |
| do_info(_PATH_PROCNET_UNIX,"AF UNIX",unix_do_one); |
| } |
| return 0; |
| } |