C Const - Const in C Programming
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Const in C Programming
- Const is an identifier that identify a constant value.
- The word const is a keyword in c language that makes identifier constant.
- We can change the value of it’s at run time.
Sample code
#include <stdio.h>
int main()
{
const int value2=20;
printf("Value of value2: %d\n",value2);
value2=30;
printf("Value of value2: %d\n",value2);
return 0;
}
Output
main.c:6:7: error: assignment of read-only variable ‘value2’
value2=30;