Describe in detail about the unformatted console I/O functions.

1.	Describe in detail about the unformatted console I/O functions.
Answer» 1. Single character functions: This function is used to read or print a character at a time, (i) getchar(): It reads a character from the keyboard and tore it in a character variable. eg: char ch; ch=getchar(); (ii) putchar(): This function is used to print a character on the screen. eg: char ch; ch = getchar(); putchar(ch); 2. String functions: This function is used to read or print a string. (i) gets(): This function is used to read a string from the keyboard and store it in a character variable. eg: charstr[80]; gets(str); (ii) puts(): This function is used to display a string on the screen. eg: char str[80]; gets(str); puts(str);

Answer»

1. Single character functions: This function is used to read or print a character at a time,

(i) getchar():

It reads a character from the keyboard and

tore it in a character variable.

eg:

char ch;

ch=getchar();

(ii) putchar():

This function is used to print a character on the screen.

eg:

char ch;

ch = getchar();

putchar(ch);

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

(i) gets():

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

eg:

charstr[80];

gets(str);

(ii) puts():

This function is used to display a string on the screen.

eg:

char str[80];

gets(str);

puts(str);

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