How to define a string in the C language?
There are several ways to define a string in the C language.
- Utilizing a character array:
- Declare a character array of length 20.
- Utilizing a character pointer (char pointer):
- Define a pointer that points to a string constant as follows: “Hello, World!”.
- Using character pointers and dynamic memory allocation.
- Allocate memory using the malloc function for a character array named str with a size of 20 characters.
- Initialize using character arrays and strings.
- Initialize the character array with a string constant, “Hello, World!”
- Initialize using character pointers and strings.
- Initialize a character pointer using a string constant as “Hello, World!”.
Regardless of the method used, it is possible to read, modify, and process strings. However, it is important to note that when using a character array, ensure that the array size is large enough to accommodate the string content as well as the string termination character ‘\0’. When using a character pointer, it is crucial to pay attention to the memory management of the string to prevent issues such as memory leaks or accessing out of bounds.