17 Oct Comments in C Language
Comments in the C language are used to provide extra details about various aspects of a program. They are usually included at the start of a program to indicate its purpose, its author, and the date on which it was written. They also provide clarification about complicated statements in the program.
Before moving further, we’ve prepared a video tutorial to understand what comments are in C:
Video: Comments in C Programming
Video: Comments in C Programming (Hindi)
There are two types of comments used in C. These are single-line comments and multi-line comments. Details about these are given as follows:
Single Line Comments
These comments are only on a single line and cannot move beyond that. They are represented using a double slash (//). An example of single-line comments in C is:
// Program to display single line comments
// Studyopedia - Never Stop Learning
#include < stdio.h >
int main(void) {
int a = 5;
printf("Comments in C - Studyopedia\n");
printf("\n----------------------------\n");
printf("Hello\n"); // Printing Hello on screen
printf("Value of a is %d", a); // Printing value of a
return 0;
}
The output of the above program is:
Multi-Line Comments
These comments can be extended over multiple lines. They are represented using /* i.e slash asterisk (/*……….*/). Multi-line comments cannot be nested. An example of multi-line comments in C is:
/* Program to display multi-line comments
Studyopedia - Never Stop Learning */
#include < stdio.h >
int main(void) {
int a = 10;
printf("Comments in C - Studyopedia\n");
printf("\n-------------------------\n");
printf("Hello\n");
printf("Value of a is %d", a);
return 0;
}
The output of this program is:
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