Why a missing break in a switch should confuse anyone, confuses me. Anonymous November 14, 2004 A warning about a case-fallthrough would have been enough, yes - but demanding a break is ok for me, too. Anonymous November 15, 2004 Radu: I disagree. The end of the function always does...
一般怎么解决：case 只用在开关语句内，写到 开关语句 之外，就是 写错了，把 case xx : 删掉。或者检查一下标点符号，是不是switch 语句 标点符号 有错，例如 switch (n); --- 这里多了分号 { case 1: ...;break;
Evaluates a list of expressions and returns aVariantvalue or an expression associated with the first expression in the list that isTrue. Syntax Switch(expr-1, value-1[, expr-2, value-2] … [,expr-n, value-n]) TheSwitchfunction syntax has these arguments: ...
prog.c: In function ‘main’: prog.c:9:6: error: case label not within a switch statement case 1: ^~~~ prog.c:11:10: error: break statement not within loop or switch break; ^~~~ prog.c:12:6: error: case label not within a switch statement case 2: ^~~~ prog.c:14:10: ...
1 在C语言中,紧跟在关键字switch后一对圆括号中的表达式类型可为( )A. 可以是整型或字符型B. 只能是int类型C. 只能是字符型D. 只能是整型或实型 2 在C语言中,紧跟在关键字switch后一对圆括号中的表达式类型可为( )A. 可以是整型或字符型B. 只能是int类型C. 只能是字符型D. 只能是整型或实型 3...
1. Function Definition TheSWITCHfunction can make judgements on multiple conditions and return corresponding results based on different values. Note: The Else statement is not supported in theSWITCHfunction. Syntax SWITCH(Expression,Value1,Result1,Value2,Result2,...,Other results) ...
switch( c ) {case'a':case'b':case'c':case'd':case'e':case'f': convert_hex(c); } In this example, ifconstant-expressionequals any letter between'a'and'f', theconvert_hexfunction is called. Microsoft-specific Microsoft C doesn't limit the number ofcasevalues in aswitchstatement. ...
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