What is the purpose of putchar function, Computer Engineering

Assignment Help:

What is the purpose of putchar function

Putchar writes one character to the standard output file, stdout.

Syntax

#include

int putchar(int c);

The putchar macro writes one character, c, to the preopened file pointed to by stdout. The file pointed to by stdout is usually associated with the terminal's screen. If a write error occurs, putchar sets the error indicator for stdout. When a write error occurs, putchar sets the external variables errno and os_errno to the appropriate error code number. The putchar  macro  can  evaluate  its  argument  more  than  once  or  not  at  all.  Therefore,  the argument to putchar should never be an expression with side effects. The putchar macro returns an integer value representing the character written to stdout. If a write error occurs, putchar returns EOF.

 


Related Discussions:- What is the purpose of putchar function

Perceptron training, Perceptron training: Here the weights are initial...

Perceptron training: Here the weights are initially assigned randomly and training examples are needed one after another to tweak the weights in the network. Means all the exa

VLSI implementation of control unit, Q. VLSI Implementation of Control Unit...

Q. VLSI Implementation of Control Unit? A main potential advantage of RISC is VLSI implementation of microprocessor. VLSI Technology has decreased the delays of transfer of inf

What is meant by a priority encoder, What is meant by a priority encoder? ...

What is meant by a priority encoder? Ans: Priority encoder- Basically an encoder is a combinational circuit which performs the inverse operation of a decoder. The input c

What is interrupt and function of color graphics adopter, Q. What is inter...

Q. What is interrupt? How it is useful in controlling I/O operations. Q. Explain function of Color Graphics Adopter card and Diskette Drive Adopter Card.

ip address and port number at the remote host, How many TCP connections ar...

How many TCP connections are in the "Established" state? Contain relevant output. For one of the established TCP connections, what are the IP address and port number at the remote

Differentiate between sequential and combinational circuits, Problem 1 ...

Problem 1 Prove that :- x(x + y) = x by using identities 2 Write a short note on Analog to Digital Converter (ADC) 3 Differentiate between sequential and combinational ci

What are the input devices, What are the Input devices Various devices ...

What are the Input devices Various devices are available for data input on graphics workstations. Most systems have a keyboard and one or more additional devices specially desi

Define the fundamentals of computer system, Define the Fundamentals of comp...

Define the Fundamentals of computer system A computer processes digital information. In order to do that it runs (executes) a machine language program. As an illustration, when

How to upgrade to the latest version using magento connect, Upgrading Magen...

Upgrading Magento to the latest version is a fairly easy task. Copy and Paste this key magento-core/Mage_All_Latest VIA Magento Connect where it states Paste extension key to insta

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd