scanf in c

1#include <stdio.h>
2int main()
3{
4    int testInteger;
5    printf("Enter an integer: ");
6    scanf("%d", &testInteger);  
7    printf("Number = %d",testInteger);
8    return 0;
9}

1#include <stdio.h>
2int main()
3{
4    int a;
5    float b;
6
7    printf("Enter integer and then a float: ");
8  
9    // Taking multiple inputs
10    scanf("%d%f", &a, &b);
11
12    printf("You entered %d and %f", a, b);  
13    return 0;
14}

1scanf("%d",&variable);
2
3/*
4% is a format specifier
5
6%d or %i 		for int
7%ld or %li for 	long int
8%f for 			float
9%lf for 		double
10%c for 			char
11%s for 			string
12*/

1#include <stdio.h>
2
3int main () {
4   scanf("%s", str);
5   printf("%s"str);
6   scanf("%d", int);
7   printf("%d"int);
8   return(0);
9}

1scanf("%d", &b);

1scanf("%d",&int);