Concept explainers
A)
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 has 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.
Given string definition:
//definition of C-string
char name[20];
B)
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 has 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.
Given string definition:
//definition of C-string
char name[20];
C)
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 has 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.
Given string definition:
//definition of C-string
char name[20];
D)
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 has 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.
Given string definition:
//definition of C-string
char name[20];
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Starting Out With C++: Early Objects (10th Edition)
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