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

Avantages of oopl in a programming language, Object oriented programming la...

Object oriented programming languages directly show the real life objects. The features of OOPL as inheritance, polymorphism, and encapsulation makes it strong.

Can we use flow logic control key words in abap/4, Can we use flow logic co...

Can we use flow logic control key words in ABAP/4 and vice-versa The flow control  of a dynpro having os a few statements that syntactically ressemble ABAP/4  statements .Thou

What is shift operation, Q. What is Shift operation? Shift: Shift ope...

Q. What is Shift operation? Shift: Shift operation is employed for transfer of bits either to left or to right. It can be used to comprehend simple arithmetic operation or da

Requirements of decision support system, Q. Requirements of decision suppor...

Q. Requirements of decision support system? a) Fast computation A decision maker is able to perform a large number of computations very quickly and that too at a low cost

Show packing and unpacking data, Q. Show Packing and Unpacking Data? P...

Q. Show Packing and Unpacking Data? Packing and Unpacking Data  pvm_packs - Pack active message buffer with arrays of prescribed data type: int info = pvm_pac

Illustrate clock signals of clock pulse generator, Q. Illustrate Clock sign...

Q. Illustrate Clock signals of clock pulse generator? Synchronization in a sequential circuit is attained by a clock pulse generator that gives continuous clock pulse.  Figure

Hypothetical reliable data transfer protocol, the c code for hypothetical r...

the c code for hypothetical reliable data transfer protocol

Give brief explanation about the keyboards, Give brief explanation about th...

Give brief explanation about the keyboards Keyboards are generally not offered as the number of options is limited and owners of the system do not want customers keying in info

Digital logic, write a short note on the tri state ttl inverter

write a short note on the tri state ttl inverter

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