Read and Write Character in C
#We can read and write a character on screen using printf() and scanf() function but this is not applicable in all situations. In C programming language some function are available which is directly read a character or number of character from keyboard.
getchar
This is a predefined function in C language which is available in stdio.h header file. Using this function we can read a single character from keyboard and store in character variable. When we want to read a number of character form keyboard the store all the data in a character array.
Example
char ch; ch=getch();
Note: getchar function has no any parameters.
gets
This is a predefined function in C language which is available in stdio.h header file. This function is used to read a single string from keyboard.
Example
gets(string);
putchar
putchar function is a same as getchar but is function is used for display a character value of screen or console. This function must be take one parameters.
Example
char ch='A'; putchar (ch);
putchar is equivalent to printf("%c",ch);
puts
puts is same as gets function but this is used to display a string on screen or console. This function takes single arguments.
Example
puts(str);
