哈希表查找

//待存入表格数据 char *key_input[] = { "auto", "break", "case", "char", "const", "continue", "default", "do", "double", "else", "enum", "extern", "float", "for", "goto", "if", "int", "long", "register", "return", "short", "signed", "sizeof", "static", "struct", "switch", "typedef", "union", "unsigned", "void", "volatile", "while" }; char *key_help_temp[] = { "auto function", "break function", "case function", "char function", "const function", "continue fun ction", "default function", "do function", "double function", "else function", "enum function", "extern function", "float function", "for function", "goto function", "if function", "int function", "long function", "register function", "return function", "short function", "signed function", "sizeof function", "static function", "struct function", "switch function", "typedef function", "union function", "unsigned function", "void function", "volatile function", "while function" }; //功能：输入一个C语言关键字，快速提示这个关键字的功能及用法