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C 编程/ctype.h/toupper
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<
C 编程
|
ctype.h
概要
[
编辑
|
编辑源代码
]
int
toupper
(
int
c
);
描述
[
编辑
|
编辑源代码
]
此函数将小写字母转换为大写字母并返回。如果 c 不是小写字母,则返回 c 本身。
参考文献
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]
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书籍:C 编程/ctype.h
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