tmp/tmpapkm2ovk/{from.md → to.md}
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### Header `<cctype>` synopsis <a id="cctype.syn">[[cctype.syn]]</a>
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``` cpp
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namespace std {
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int isalnum(int c);
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int isalpha(int c);
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int isblank(int c);
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int iscntrl(int c);
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int isdigit(int c);
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int isgraph(int c);
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int islower(int c);
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int isprint(int c);
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int ispunct(int c);
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int isspace(int c);
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int isupper(int c);
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int isxdigit(int c);
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int tolower(int c);
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int toupper(int c);
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}
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```
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The contents and meaning of the header `<cctype>` are the same as the C
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standard library header `<ctype.h>`.
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ISO C 7.4
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