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C – Unformatted Output Function

Unformatted output functions provided by C are :

 1. putchar()

This function is used to display value of a character variable or constant. The header file required is <stdio.h>.

Program to demonstrate putchar()

#include<stdio.h> int main() { char n=’K’; printf(“\ncharacter=”); putchar(n); return (0); }

Output

character=K

2. putch()

It is also used to display value of a character variable or constant. The header file required for this function is <conio.h>.

Program to demonstrate putch()

#include<stdio.h> #include<conio.h> int main() { char n=’K’; printf(“\ncharacter=”); putch(n); return (0); }

Output

character=K

3. puts()

It is used to display the value of a string variable or string constant on the screen. The header file required for this function is <stdio.h>.

Program to demonstrate puts()

#include<stdio.h> int main() { char sname[20]=”Amit”; puts(“\nName is”); puts(sname); return (0); }

Output

Nameis Amit

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