putchar() function in C
Last Updated :
06 Oct, 2023
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The putchar(int ch) method in C is used to write a character, of unsigned char type, to stdout. This character is passed as the parameter to this method.
Syntax:
int putchar(int ch)
Parameters: This method accepts a mandatory parameter ch which is the character to be written to stdout.
Return Value: This function returns the character written on the stdout as an unsigned char. It also returns EOF when some error occurs.
The below examples illustrate the use of putchar() method:
Example 1:
// C program to demonstrate putchar() method
#include <stdio.h>;
int main()
{
// Get the character to be written
char ch = 'G';
// Write the Character to stdout
putchar(ch);
return (0);
}
Output
G
Example 2:
// C program to demonstrate putchar() method
#include <stdio.h>;
int main()
{
// Get the character to be written
char ch = '1';
// Write the Character to stdout
for (ch = '1'; ch <= '9'; ch++)
putchar(ch);
return (0);
}
Output
123456789
