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Introduction [cont'd]
Input Output Functions [cont'd]
Structures and Unions [cont'd]
# Preprocessor [cont'd]
Volatile in Introduction of Programming in C
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What is C Volatile? 
Volatile is a datatype visibility qualifier. Volatile variable data values are changeable by external sources.
Syntax 
volatile datatype variable_name;
Program
#include
void main(){
   volatile int a;
   a = 10;
   printf("%d value can change by external sources",a);
}
Output 
10 value can change by external sources
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