cmath:1136:11: error: '::hypot' has not been declared 问题描述 出现情景:Win10 + Clion + Python2.7 具体描述:我在Win系统下Clion编译软件中实现C++与Python的混编(其实是C++调用Python模块)时,当配置好CMakeLists.txt文件中的include_directories(C:/Python27/include)和target_link_libraries(Claypot C:/...
1 Undefined reference error in a C program 0 warning: ‘fp’ is used uninitialized in this function [-Wuninitialized] 0 C error: expected expression before ‘FILE’ 0 Error While Working With Files 1 File handling function call error 2 Variable file may not have been initialized 0...
message_recv.cpp:76:47: error: ‘errno’ was not declared in this scope message_recv.cpp: In member function ‘virtual void* Message_recv::run()’: message_recv.cpp:87:51: error: ‘errno’ was not declared in this scope make: *** [message_recv.o] Error 1 david@ubuntu:~/wrk/tmp...
这个意思是说你在使用List钱没有定义一个List类型。你必须在之前写一个typedef struct{。。。} List；
你这循环就出错了， for(x=2;count<50;x++){这个循环判断就写错了。肯定死循环了。
warningC4700:localvariable'x'usedwithouthavingbeeninitialized 局部变量'x'在被使用之前未初始化, errorLNK2001:unresolvedexternalsymbol_f5 f5从未定义 1. Ambiguous operators need parentheses — 不明确的运算需要用括号括起 2. Ambiguous symbol 'xxx' — 不明确的符号 ...
include <stdio.h> int max(int x,int y);//函数定义在main函数之后要先声明才能被main函数调用 main(){int a,b,c;scanf("%d,%d",&a,&b);c=max (a,b);printf("max=%d",c);} int max(int x,int y){int z;if (x>y) z=x;else z=y;return(z);} ...
error C2058: constant expression is not integral 中文对照:(编译错误)常量表达式不是整数 分析:一般是定义数组时数组长度不是整型常量 error C2059: syntax error : 'xxx' 中文对照:(编译错误)‘xxx’语法错误 分析:引起错误的原因很多,可能多加或少加了符号xxx ...
test.cxx:6:12: error: ‘::sigemptyset’ has not been declared return ::sigemptyset(&new_handler.sa_mask); ^ Things get worse when using-std=gnu++03and friends. by default). I believe GNU sources ensures expected functions, likesigaction, are available. ...
/usr/include/c++/4.1.2/tr1/bind_iterate.h:78: error: 'std::tr1' has not been declared 16) protoc编译错误,下面错误是因为没有在.proto文件所在目录下执行: /tmp/test.proto: File does not reside within any path specified using --proto_path (or -I). You must specify a --proto_path whi...