C-String: In C++, a declaration of an array of “char” is usually referred as “C-string”. But an array of “char” is not a C-string by itself. An effective C-string needs an occurrence of a terminating null character “\0”. No header file is required to make a C string because “char” is a built data type. Therefore, “<cstring>” file contains several functions that work on C string. Example: Consider the below declaration of C string variable: char student_name[10]; Here the data type “char” is defined first and it is followed by the variable name “student_name”. The “[10]” is referred as “size declarator”. It indicates how many characters it can hold in memory cells.

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Chapter 3, Problem 2RQE

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C-String:

In C++, a declaration of an array of “char” is usually referred as “C-string”. But an array of “char” is not a C-string by itself.

An effective C-string needs an occurrence of a terminating null character “\0”.

No header file is required to make a C string because “char” is a built data type. Therefore, “<cstring>” file contains several functions that work on C string.

Example:

Consider the below declaration of C string variable:

char student_name[10];

Here the data type “char” is defined first and it is followed by the variable name “student_name”.

The “[10]” is referred as “size declarator”. It indicates how many characters it can hold in memory cells.

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