error: ‘struct hostent’ has no member named ‘h_addr’
2016-07-18 15:29
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编译网络程序是出现错误:
error: ‘struct hostent’ has no member named ‘h_addr’
查看相应的头文件里面有h_addr 成员
原因是编译是没有加相应的选项-D_GNU_SOURCE
error: ‘struct hostent’ has no member named ‘h_addr’
查看相应的头文件里面有h_addr 成员
/* Description of data base entry for a single host. */ struct hostent { char *h_name; /* Official name of host. */ char **h_aliases; /* Alias list. */ int h_addrtype; /* Host address type. */ int h_length; /* Length of address. */ char **h_addr_list; /* List of addresses from name server. */ #if defined __USE_MISC || defined __USE_GNU # define h_addr h_addr_list[0] /* Address, for backward compatibility.*/ #endif };
原因是编译是没有加相应的选项-D_GNU_SOURCE