Question

Describe in detail about the unformatted console i/o functions.

Answer 1

1. Single character functions: 

This function is used to read or print a character at a time. 

getchar(): It reads a character from the keyboard and store it in a character variable. 

Eg. char ch; 

ch=getchar(); 

putchar(): This function is used to print a character on the screen.

Eg. char ch; 

ch=getcharO;

putchar(ch); 

2. String functions: This function is used to read or print a string. 

gets(): This function is used to read a string from the keyboard and store it in a character variable. 

Eg. char str[80]; 

gets(str); 

puts(): This function is used to display a string on the screen.

Eg. char str[80];

 gets(str); 

puts(str);