Input and Output programs
This section contains example programs demonstrating the input and output
functions.
This program uses the scanf function.
#include
main()
{
float a , b , c;
printf("Input two numbers... \n");
scanf("%f%f" , &a , &b);
c = a * b ;
printf("%f times %f = %f\n" , a , b , c);
}
This program combines printf and scanf whereby printf displays the input
from scanf.
#include
main()
{
int i;
printf("%c\n",scanf("%i",i));
}
This program demonstrates the use of getchar and putchar.
#include
main()
{
char ch;
printf("Enter some text (type a period to quit)...\n");
do {
ch = getchar();
putchar(ch+1);
} while (ch != '.');
printf("\n\n");
printf("Enter some text (type a period to quit)...\n");
while ( (ch = getchar()) != '.') putchar(ch-1);
printf("\n\n");
}
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