String as standard header file

That's coincidence. But you can't rely on this. This will include std::string , from the std namespace. This namespace is actually defined by multiple headers. Unlike classes, namespaces do not need to be defined in one header; they can be spread over multiple. How are we doing? Please help us improve Stack Overflow. Take our short survey. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams?

Collectives on Stack Overflow. Learn more. Ask Question. Asked 6 months ago. Active 6 months ago. Compares string str1 to str2. Calculates the length of the initial segment of str1 which consists entirely of characters not in str2.

Searches an internal array for the error number errnum and returns a pointer to an error message string. Finds the first character in the string str1 that matches any character specified in str2. Searches for the last occurrence of the character c an unsigned char in the string pointed to by the argument str. Calculates the length of the initial segment of str1 which consists entirely of characters in str2.

Finds the first occurrence of the entire string needle not including the terminating null character which appears in the string haystack. Transforms the first n characters of the string src into current locale and places them in the string dest.

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