error: redefinition of ‘struct in_addr’

最新推荐文章于 2023-08-04 22:33:07 发布
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#网络 #c++ #linux

在Linux编程中，当同时使用#include<linux/in.h>、#include<linux/in6.h>和#include<arpa/inet.h>时可能会遇到in_addr或in6_addr结构体的重定义错误。为解决此问题，可以将这两个头文件替换为#include<netinet/in.h>，因为该头文件包含了IPv4和IPv6的socket定义，能避免冲突。

也就是当使用
#include <linux//in.h>
#include <linux/in6.h>
这两个头文件同时和
#include <arpa/inet.h> // 用于进行网络字节和主机字节的ip和端口进行转换的方法的头文件
这个头文件一起使用时，会报错类似in_addr或in6_addr的error的错误，如：error: redefinition of ‘struct in_addr’
这时只需要将他们两替换成下面这个就行
#include <netinet/in.h> // 这里面包含IPv4和IPv6的socket的定义

解决/usr/include/xlocale.h:27:16: error: redefinition of ‘struct __locale_struct’报错问题
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介绍 在编译libinput时，出现如下错误 In file included from ../src/util-strings.h:43, from ../src/util-strings.c:27: /usr/include/xlocale.h:27:16: error: redefinition of ‘struct __locale_struct’ typedef struct __locale_struct ^~~~~~~~~~~
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该文档讲述了在mini2440常见头文件的位置，方便大家查找头文件，方便程序的移植。
error: redefinition of ‘struct in_addr’ struct in_addr
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include <arpa/inet.h> // 进行网络字节和主机字节的ip和端口进行转换的方法的头文件。直接用#include <netinet/in.h> // 这里面包含IPv4和IPv6的socket的定义。会报错error: redefinition of ‘struct in_addr’#include <linux//in.h>不能同时和。
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在vivado hls 2018.3中使用xfopencv时出现错误：INFO: E:/vivado_hls/xfopencv/xfopencv/include/common/xf_axi_sdata.h:43:10: error: previous definition of ‘struct ap_axis<D, U, TI, TD>’ struct ap_axis{ E:/vivado_hls/xfopencv/xfopencv/include/common/xf_axi_sdata.h:5
redefinition of ‘struct‘ 报错
menghuanyjq的博客
05-09 2万+
@redefinition of ‘struct’ 报错 linux 环境下用c语言编程，出现redefinition of ‘struct’ 报错 刚刚开始在linux下编程很多东西不熟练，在编译的过程中出现错误redefinition of ‘struct’ 解决办法 首先是因为我在"Mapping.h"这个头文件中定义了一个结构体： typedef struct _node { char k[LEN]; char v[LEN]; struct _node *next;
/home/newlib-cygwin/winsup/cygwin/include/machine/types.h:46:8: error: redefinition of ‘struct flock
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03-18 415
#ifndef MY_FLOCK #define MY_FLOCK struct flock { short l_type; /* F_RDLCK, F_WRLCK, or F_UNLCK */ short l_whence; /* flag to choose starting offset */ off_t l_start; /* relative offset, in bytes */
from nasw_diag.h:5, from nasw.c:32: ../diagnose/diagnose_commom.h:183:16: error: redefinition of 'struct _DIAG_ADDR' typedef struct _DIAG_ADDR ^~~~~~~~~~ In file included from nasw.c:31: ../nifc/nifc.h:72:16: note: originally defined here typedef struct _DIAG_ADDR ^~~~~~~~~~ In file included from ../diagnose/diagnose.h:13, from nasw_diag.h:5, from nasw.c:32: ../diagnose/diagnose_commom.h:186:3: error: conflicting types for 'DIAG_ADDR' } DIAG_ADDR; ^~~~~~~~~ In file included from nasw.c:31: ../nifc/nifc.h:75:3: note: previous declaration of 'DIAG_ADDR' was here } DIAG_ADDR; ^~~~~~~~~ nasw.c: In function 'nasw_do_ping_check': nasw.c:104:25: error: 'g_default_address' undeclared (first use in this function); did you mean 'load_gateway_address'? if (nasw_async_ping(g_default_address.diag_addr[0], nasw_ping_callback, NULL) < 0) { ^~~~~~~~~~~~~~~~~ load_gateway_address nasw.c:104:25: note: each undeclared identifier is reported only once for each function it appears in nasw.c: In function 'nasw_network_diagnose': nasw.c:145:27: error: 'LTE_CONFIG_INFO_DATA' {aka 'struct _LTE_CONFIG_INFO_DATA'} has no member named 'auto_wired_internet_status' lte_config.auto_wired_internet_status = ^
最新发布
10-22
../diagnose/diagnose_commom.h:183:16: error: redefinition of 'struct _DIAG_ADDR' typedef struct _DIAG_ADDR ^~~~~~~~~~ ../nifc/nifc.h:72:16: note: originally defined here typedef struct _DIAG_ADDR...
server.c:7:8: error: redefinition of ‘struct sockaddr_in’ /usr/include/netinet/in.h:225:8: note: originally defined here server.c:12:8: error: redefinition of ‘struct in_addr’ /usr/include/netinet/in.h:142:8: note: originally defined here
07-01
我们正在解决编译server.c时出现的结构体重复定义错误，具体错误是redefinition of'structsockaddr_in'和redefinition of'structin_addr'。根据引用[2]和引用[4]，我们知道`sockaddr_in`和`in_addr`这两个结构体在多...
编译xdp_redirect.c，20个报错 In file included from xdp_redirect.c:8: /usr/include/netinet/in.h:31:8: error: redefinition of 'in_addr' struct in_addr ^ /usr/include/linux/in.h:89:8: note: previous definition is here struct in_addr { ^ In file included from xdp_redirect.c:8: In file included from /usr/include/netinet/in.h:37: /usr/include/x86_64-linux-gnu/bits/in.h:150:8: error: redefinition of 'ip_mreqn' struct ip_mreqn ^ /usr/include/linux/in.h:180:8: note: previous definition is here struct ip_mreqn { ^ In file included from xdp_redirect.c:8: In file included from /usr/include/netinet/in.h:37: /usr/include/x86_64-linux-gnu/bits/in.h:158:8: error: redefinition of 'in_pktinfo' struct in_pktinfo ^ /usr/include/linux/in.h:251:8: note: previous definition is here struct in_pktinfo { ^ In file included from xdp_redirect.c:8: /usr/include/netinet/in.h:42:5: error: redefinition of enumerator 'IPPROTO_IP' IPPROTO_IP = 0, /* Dummy protocol for TCP. */ ^ /usr/include/linux/in.h:30:21: note: expanded from macro 'IPPROTO_IP' #define IPPROTO_IP IPPROTO_IP ^ /usr/include/linux/in.h:29:3: note: previous definition is here IPPROTO_IP = 0, /* Dummy protocol for TCP */ ^ In file included from xdp_redirect.c:8: /usr/include/netinet/in.h:44:5: error: redefinition of enumerator 'IPPROTO_ICMP' IPPROTO_ICMP = 1, /* Internet Control Message Protocol. */ ^ /usr/include/linux/in.h:32:23: note: expanded from macro 'IPPROTO_ICMP' #define IPPROTO_ICMP IPPROTO_ICMP ^ /usr/include/linux/in.h:31:3: note: previous definition is here IPPROTO_ICMP = 1, /* Internet Control Message Protocol */ ^ In file included from xdp_redirect.c:8: /usr/include/netinet/in.h:46:5: error: redefinition of enumerator 'IPPROTO_IGMP' IPPROTO_IGMP = 2, /* Internet Group Management Protocol. */ ^ /usr/include/linux/in.h:34:23: note: expanded from macro 'IPPROTO_IGMP' #define IPPROTO_IGMP IPPROTO_IGMP ^ /usr/include/linux/in.h:33:3: note: previous definition is here IPPROTO_IGMP = 2, /* Internet Group Management Protocol */ ^ In file included from xdp_redirect.c:8: /usr/include/netinet/in.h:48:5: error: redefinition of enumerator 'IPPROTO_IPIP' IPPROTO_IPIP = 4, /* IPIP tunnels (older KA9Q tunnels use 94). */ ^ /usr/include/linux/in.h:36:23: note: expanded from macro 'IPPROTO_IPIP' #define IPPROTO_IPIP IPPROTO_IPIP ^ /usr/include/linux/in.h:35:3: note: previous definition is here IPPROTO_IPIP = 4, /* IPIP tunnels (older KA9Q tunnels use 94) */ ^ In file included from xdp_redirect.c:8: /usr/include/netinet/in.h:50:5: error: redefinition of enumerator 'IPPROTO_TCP' IPPROTO_TCP = 6, /* Transmission Control Protocol. */ ^ /usr/include/linux/in.h:38:22: note: expanded from macro 'IPPROTO_TCP' #define IPPROTO_TCP IPPROTO_TCP ^ /usr/include/linux/in.h:37:3: note: previous definition is here IPPROTO_TCP = 6, /* Transmission Control Protocol */ ^ In file included from xdp_redirect.c:8: /usr/include/netinet/in.h:52:5: error: redefinition of enumerator 'IPPROTO_EGP' IPPROTO_EGP = 8, /* Exterior Gateway Protocol. */ ^ /usr/include/linux/in.h:40:22: note: expanded from macro 'IPPROTO_EGP' #define IPPROTO_EGP IPPROTO_EGP ^ /usr/include/linux/in.h:39:3: note: previous definition is here IPPROTO_EGP = 8, /* Exterior Gateway Protocol */ ^ In file included from xdp_redirect.c:8: /usr/include/netinet/in.h:54:5: error: redefinition of enumerator 'IPPROTO_PUP' IPPROTO_PUP = 12, /* PUP protocol. */ ^ /usr/include/linux/in.h:42:22: note: expanded from macro 'IPPROTO_PUP' #define IPPROTO_PUP IPPROTO_PUP ^ /usr/include/linux/in.h:41:3: note: previous definition is here IPPROTO_PUP = 12, /* PUP protocol */ ^ In file included from xdp_redirect.c:8: /usr/include/netinet/in.h:56:5: error: redefinition of enumerator 'IPPROTO_UDP' IPPROTO_UDP = 17, /* User Datagram Protocol. */ ^ /usr/include/linux/in.h:44:22: note: expanded from macro 'IPPROTO_UDP' #define IPPROTO_UDP IPPROTO_UDP ^ /usr/include/linux/in.h:43:3: note: previous definition is here IPPROTO_UDP = 17, /* User Datagram Protocol */ ^ In file included from xdp_redirect.c:8: /usr/include/netinet/in.h:58:5: error: redefinition of enumerator 'IPPROTO_IDP' IPPROTO_IDP = 22, /* XNS IDP protocol. */ ^ /usr/include/linux/in.h:46:22: note: expanded from macro 'IPPROTO_IDP' #define IPPROTO_IDP IPPROTO_IDP ^ /usr/include/linux/in.h:45:3: note: previous definition is here IPPROTO_IDP = 22, /* XNS IDP protocol */ ^ In file included from xdp_redirect.c:8: /usr/include/netinet/in.h:60:5: error: redefinition of enumerator 'IPPROTO_TP' IPPROTO_TP = 29, /* SO Transport Protocol Class 4. */ ^ /usr/include/linux/in.h:48:21: note: expanded from macro 'IPPROTO_TP' #define IPPROTO_TP IPPROTO_TP ^ /usr/include/linux/in.h:47:3: note: previous definition is here IPPROTO_TP = 29, /* SO Transport Protocol Class 4 */ ^ In file included from xdp_redirect.c:8: /usr/include/netinet/in.h:62:5: error: redefinition of enumerator 'IPPROTO_DCCP' IPPROTO_DCCP = 33, /* Datagram Congestion Control Protocol. */ ^ /usr/include/linux/in.h:50:23: note: expanded from macro 'IPPROTO_DCCP' #define IPPROTO_DCCP IPPROTO_DCCP ^ /usr/include/linux/in.h:49:3: note: previous definition is here IPPROTO_DCCP = 33, /* Datagram Congestion Control Protocol */ ^ In file included from xdp_redirect.c:8: /usr/include/netinet/in.h:64:5: error: redefinition of enumerator 'IPPROTO_IPV6' IPPROTO_IPV6 = 41, /* IPv6 header. */ ^ /usr/include/linux/in.h:52:23: note: expanded from macro 'IPPROTO_IPV6' #define IPPROTO_IPV6 IPPROTO_IPV6 ^ /usr/include/linux/in.h:51:3: note: previous definition is here IPPROTO_IPV6 = 41, /* IPv6-in-IPv4 tunnelling */ ^ In file included from xdp_redirect.c:8: /usr/include/netinet/in.h:66:5: error: redefinition of enumerator 'IPPROTO_RSVP' IPPROTO_RSVP = 46, /* Reservation Protocol. */ ^ /usr/include/linux/in.h:54:23: note: expanded from macro 'IPPROTO_RSVP' #define IPPROTO_RSVP IPPROTO_RSVP ^ /usr/include/linux/in.h:53:3: note: previous definition is here IPPROTO_RSVP = 46, /* RSVP Protocol */ ^ In file included from xdp_redirect.c:8: /usr/include/netinet/in.h:68:5: error: redefinition of enumerator 'IPPROTO_GRE' IPPROTO_GRE = 47, /* General Routing Encapsulation. */ ^ /usr/include/linux/in.h:56:22: note: expanded from macro 'IPPROTO_GRE' #define IPPROTO_GRE IPPROTO_GRE ^ /usr/include/linux/in.h:55:3: note: previous definition is here IPPROTO_GRE = 47, /* Cisco GRE tunnels (rfc 1701,1702) */ ^ In file included from xdp_redirect.c:8: /usr/include/netinet/in.h:70:5: error: redefinition of enumerator 'IPPROTO_ESP' IPPROTO_ESP = 50, /* encapsulating security payload. */ ^ /usr/include/linux/in.h:58:22: note: expanded from macro 'IPPROTO_ESP' #define IPPROTO_ESP IPPROTO_ESP ^ /usr/include/linux/in.h:57:3: note: previous definition is here IPPROTO_ESP = 50, /* Encapsulation Security Payload protocol */ ^ In file included from xdp_redirect.c:8: /usr/include/netinet/in.h:72:5: error: redefinition of enumerator 'IPPROTO_AH' IPPROTO_AH = 51, /* authentication header. */ ^ /usr/include/linux/in.h:60:21: note: expanded from macro 'IPPROTO_AH' #define IPPROTO_AH IPPROTO_AH ^ /usr/include/linux/in.h:59:3: note: previous definition is here IPPROTO_AH = 51, /* Authentication Header protocol */ ^ fatal error: too many errors emitted, stopping now [-ferror-limit=] 20 errors generated.
06-18
error: redefinition of 'struct in_addr' error: redefinition of 'enum IPPROTO_IP' ``` 根本原因是内核头文件(如`<linux/in.h>`)和用户空间头文件(如`<netinet/in.h>`)定义了相同的结构体。 #### 修复方案（修改...
jni/src/ptrace断点.cpp:26:8: error: redefinition of 'user_hwdebug_state' struct user_hwdebug_state { ^ /data/data/com.aide.ui.mgai/no_backup/ndksupport-1710240003/android-ndk-aide/sysroot/usr/include/aarch64-linux-android/asm/ptrace.h:61:8: note: previous definition is here struct user_hwdebug_state { ^ 1 error generated.
07-14
具体来说，错误信息是：`error: redefinition of 'user_hwdebug_state'`。这个结构体在我们的代码中用于ARM64硬件调试寄存器。 根据引用[1]、[2]、[3]、[4]中提到的重定义错误，我们可以总结出几个常见原因和解决...
arp_final.c:16:0: warning: "IFNAMSIZ" redefined #define IFNAMSIZ 16 ^ In file included from arp_final.c:7:0: /usr/include/net/if.h:129:0: note: this is the location of the previous definition # define IFNAMSIZ IF_NAMESIZE ^ arp_final.c:68:8: error: redefinition of ‘struct ifreq’ struct ifreq { ^ In file included from arp_final.c:7:0: /usr/include/net/if.h:126:8: note: originally defined here struct ifreq ^ arp_final.c:69:10: error: expected ‘:’, ‘,’, ‘;’, ‘}’ or ‘__attribute__’ before ‘.’ token char ifr_name[IFNAMSIZ]; ^ arp_final.c: In function ‘if_nametoindex’: arp_final.c:125:16: error: ‘struct ifreq’ has no member named ‘ifr_ifrn’ strncpy(ifr.ifr_name, ifname, IFNAMSIZ - 1); ^ arp_final.c:134:15: error: ‘struct ifreq’ has no member named ‘ifr_ifru’ return ifr.ifr_ifru.ifru_metric; ^ arp_final.c: In function ‘get_local_mac’: arp_final.c:146:16: error: ‘struct ifreq’ has no member named ‘ifr_ifrn’ strncpy(ifr.ifr_name, ifname, IFNAMSIZ); ^ arp_final.c:153:20: error: ‘struct ifreq’ has no member named ‘ifr_ifru’ memcpy(mac, ifr.ifr_ifru.ifru_hwaddr.sa_data, MAC_LENGTH); ^ arp_final.c: In function ‘get_local_ip’: arp_final.c:166:16: error: ‘struct ifreq’ has no member named ‘ifr_ifrn’ strncpy(ifr.ifr_name, ifname, IFNAMSIZ); ^ arp_final.c:173:57: error: ‘struct ifreq’ has no member named ‘ifr_ifru’ struct sockaddr_in *sin = (struct sockaddr_in *)&ifr.ifr_ifru.ifru_addr; ^ arp_final.c: In function ‘build_arp_packet’: arp_final.c:191:25: error: ‘ETH_P_IP’ undeclared (first use in this function) arp->ar_pro = htons(ETH_P_IP); ^ arp_final.c:191:25: note: each undeclared identifier is reported only once for each function it appears in arp_final.c: In function ‘send_arp’: arp_final.c:230:12: error: variable ‘dest’ has initializer but incomplete type struct sockaddr_ll dest = { ^ arp_final.c:231:9: error: unknown field ‘sll_family’ specified in initializer .sll_family = AF_PACKET, ^ arp_final.c:232:9: error: unknown field ‘sll_protocol’ specified in initializer .sll_protocol = htons(ETH_P_ARP), ^ arp_final.c:232:25: warning: excess elements in struct initializer .sll_protocol = htons(ETH_P_ARP), ^ arp_final.c:232:25: note: (near initialization for ‘dest’) arp_final.c:233:9: error: unknown field ‘sll_ifindex’ specified in initializer .sll_ifindex = if_nametoindex(ifname), ^ arp_final.c:233:24: warning: excess elements in struct initializer .sll_ifindex = if_nametoindex(ifname), ^ arp_final.c:233:24: note: (near initialization for ‘dest’) arp_final.c:234:9: error: unknown field ‘sll_halen’ specified in initializer .sll_halen = ETH_ALEN, ^ arp_final.c:24:18: warning: excess elements in struct initializer #define ETH_ALEN 6 ^ arp_final.c:234:22: note: in expansion of macro ‘ETH_ALEN’ .sll_halen = ETH_ALEN, ^ arp_final.c:24:18: note: (near initialization for ‘dest’) #define ETH_ALEN 6 ^ arp_final.c:234:22: note: in expansion of macro ‘ETH_ALEN’ .sll_halen = ETH_ALEN, ^ arp_final.c:235:9: error: unknown field ‘sll_addr’ specified in initializer .sll_addr = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF} // 广播地址 ^ arp_final.c:235:21: error: extra brace group at end of initializer .sll_addr = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF} // 广播地址 ^ arp_final.c:235:21: note: (near initialization for ‘dest’) arp_final.c:235:21: warning: excess elements in struct initializer arp_final.c:235:21: note: (near initialization for ‘dest’) arp_final.c:230:24: error: storage size of ‘dest’ isn’t known struct sockaddr_ll dest = { ^ arp_final.c: In function ‘find_or_create_node’: arp_final.c:275:5: warning: implicit declaration of function ‘list_for_each’ [-Wimplicit-function-declaration] list_for_each(pos, &arp_result_head) { ^ arp_final.c:275:42: error: expected ‘;’ before ‘{’ token list_for_each(pos, &arp_result_head) { ^ arp_final.c: In function ‘cleanup_thread’: arp_final.c:373:9: warning: implicit declaration of function ‘list_for_each_safe’ [-Wimplicit-function-declaration] list_for_each_safe(pos, next, &arp_result_head) { ^ arp_final.c:373:57: error: expected ‘;’ before ‘{’ token list_for_each_safe(pos, next, &arp_result_head) { ^ arp_final.c: In function ‘print_arp_table’: arp_final.c:403:42: error: expected ‘;’ before ‘{’ token list_for_each(pos, &arp_result_head) { 报错如上
08-28
struct sockaddr_in *sin = (struct sockaddr_in *)&ifr.ifr_addr; local_ip->s_addr = sin->sin_addr.s_addr; close(sock); } // 创建原始套接字 int create_arp_socket() { int sock = socket(AF_PACKET, ...
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