请问以下内容是关于c语言 expression syntax的，麻烦大佬帮忙看看~

一、C语言中Expression syntax in function main 的意思是在主函数当中表达式语法错误。二、下面为C语言的错误大全及中文解释：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3: Argument list syntax error — 参数表语法错误4: Array bounds missing — 丢失数组界限符5: Array size toolarge — 数组尺寸太大6: Bad character in paramenters — 参数中有不适当的字符7: Bad file name format in include directive — 包含命令中文件名格式不正确8: Bad ifdef directive synatax — 编译预处理ifdef有语法错9: Bad undef directive syntax — 编译预处理undef有语法错10: Bit field too large — 位字段太长11: Call of non-function — 调用未定义的函数12: Call to function with no prototype — 调用函数时没有函数的说明13: Cannot modify a const object — 不允许修改常量对象14: Case outside of switch — 漏掉了case 语句15: Case syntax error — Case 语法错误16: Code has no effect — 代码不可能执行到17: Compound statement missing{ — 分程序漏掉"{"18: Conflicting type modifiers — 不明确的类型说明符19: Constant expression required — 要求常量表达式20: Constant out of range in comparison — 在比较中常量超出范围21: Conversion may lose significant digits — 转换时会丢失意义的数字22: Conversion of near pointer not allowed — 不允许转换近指针23: Could not find file xxx — 找不到XXX文件24: Declaration missing ; — 说明缺少"；"25: Declaration syntax error — 说明中出现语法错误26: Default outside of switch — Default 出现在switch语句之外27: Define directive needs an identifier — 定义编译预处理需要标识符28: Division by zero — 用零作除数29: Do statement must have while — Do-while语句中缺少while部分30: Enum syntax error — 枚举类型语法错误31: Enumeration constant syntax error — 枚举常数语法错误32: Error directive :xxx — 错误的编译预处理命令33: Error writing output file — 写输出文件错误34: Expression syntax error — 表达式语法错误35: Extra parameter in call — 调用时出现多余错误36: File name too long — 文件名太长37: Function call missing ) — 函数调用缺少右括号38: Fuction definition out of place — 函数定义位置错误39: Fuction should return a value — 函数必需返回一个值40: Goto statement missing label — Goto语句没有标号41: Hexadecimal or octal constant too large — 16进制或8进制常数太大42: Illegal character x — 非法字符x43: Illegal initialization — 非法的初始化44: Illegal octal digit — 非法的8进制数字 A45: Illegal pointer subtraction — 非法的指针相减46: Illegal structure operation — 非法的结构体操作47: Illegal use of floating point — 非法的浮点运算48: Illegal use of pointer — 指针使用非法49: Improper use of a typedefsymbol — 类型定义符号使用不恰当50: In-line assembly not allowed — 不允许使用行间汇编51: Incompatible storage class — 存储类别不相容52: Incompatible type conversion — 不相容的类型转换53: Incorrect number format — 错误的数据格式54: Incorrect use of default — Default使用不当55: Invalid indirection — 无效的间接运算56: Invalid pointer addition — 指针相加无效57: Irreducible expression tree — 无法执行的表达式运算58: Lvalue required — 需要逻辑值0或非0值59: Macro argument syntax error — 宏参数语法错误60: Macro expansion too long — 宏的扩展以后太长61: Mismatched number of parameters in definition — 定义中参数个数不匹配62: Misplaced break — 此处不应出现break语句63: Misplaced continue — 此处不应出现continue语句64: Misplaced decimal point — 此处不应出现小数点65: Misplaced elif directive — 不应编译预处理elif66: Misplaced else — 此处不应出现else67: Misplaced else directive — 此处不应出现编译预处理else68: Misplaced endif directive — 此处不应出现编译预处理endif69: Must be addressable — 必须是可以编址的70: Must take address of memory location — 必须存储定位的地址71: No declaration for function xxx — 没有函数xxx的说明72: No stack — 缺少堆栈73: No type information — 没有类型信息74: Non-portable pointer assignment — 不可移动的指针（地址常数）赋值75: Non-portable pointer comparison — 不可移动的指针（地址常数）比较76: Non-portable pointer conversion — 不可移动的指针（地址常数）转换77: Not a valid expression format type — 不合法的表达式格式78: Not an allowed type — 不允许使用的类型79: Numeric constant too large — 数值常太大80: Out of memory — 内存不够用81: Parameter xxx is never used — 能数xxx没有用到82: Pointer required on left side of -> — 符号->的左边必须是指针83: Possible use of xxx before definition — 在定义之前就使用了xxx（警告）84: Possibly incorrect assignment — 赋值可能不正确85: Redeclaration of xxx — 重复定义了xxx86: Redefinition of xxx is not identical — xxx的两次定义不一致87: Register allocation failure — 寄存器定址失败88: Repeat count needs an lvalue — 重复计数需要逻辑值89: Size of structure or array not known — 结构体或数给大小不确定90: Statement missing ; — 语句后缺少"；"91: Structure or union syntax error — 结构体或联合体语法错误92: Structure size too large — 结构体尺寸太大93: Sub scripting missing ] — 下标缺少右方括号94: Superfluous & with function or array — 函数或数组中有多余的"&"95: Suspicious pointer conversion — 可疑的指针转换96: Symbol limit exceeded — 符号超限97: Too few parameters in call — 函数调用时的实参少于函数的参数不98: Too many default cases — Default太多(switch语句中一个)99: Too many error or warning messages — 错误或警告信息太多100: Too many type in declaration — 说明中类型太多101: Too much auto memory in function — 函数用到的局部存储太多102: Too much global data defined in file — 文件中全局数据太多103: Two consecutive dots — 两个连续的句点104: Type mismatch in parameter xxx — 参数xxx类型不匹配105: Type mismatch in redeclaration of xxx — xxx重定义的类型不匹配106: Unable to create output file xxx — 无法建立输出文件xxx107: Unable to open include file xxx — 无法打开被包含的文件xxx108: Unable to open input file xxx — 无法打开输入文件xxx109: Undefined label xxx — 没有定义的标号xxx110: Undefined structure xxx — 没有定义的结构xxx111: Undefined symbol xxx — 没有定义的符号xxx112: Unexpected end of file in comment started on line xxx — 从xxx行开始的注解尚未结束文件不能结束113: Unexpected end of file in conditional started on line xxx — 从xxx 开始的条件语句尚未结束文件不能结束114: Unknown assemble instruction — 未知的汇编结构115: Unknown option — 未知的操作116: Unknown preprocessor directive: xxx — 不认识的预处理命令xxx117: Unreachable code — 无路可达的代码118: Unterminated string or character constant — 字符串缺少引号119: User break — 用户强行中断了程序120: Void functions may not return a value — Void类型的函数不应有返回值121: Wrong number of arguments — 调用函数的参数数目错122: xxx not an argument — xxx不是参数123: xxx not part of structure — xxx不是结构体的一部分124: xxx statement missing ( — xxx语句缺少左括号125: xxx statement missing ) — xxx语句缺少右括号126: xxx statement missing ; — xxx缺少分号127: xxx declared but never used — 说明了xxx但没有使用128: xxx is assigned a value which is never used — 给xxx赋了值但未用过

请问以下内容是关于c语言 expression syntax的，麻烦大佬帮忙看看~

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