c absolute value

1int abs(int x);

1#include <stdio.h>
2#include <stdlib.h>
3
4int main() 
5{
6	int a;
7	printf("ABSOLUTE VALUE\n\nNumer: ");
8	scanf("%d",&a);
9    
10	if(a < 0)
11	{
12		a = a * (-1);
13	}
14    
15	printf("Absolute value: %d\n\n", a);
16    
17	system("pause");
18}