What is the difference between printf and putchar() or scanf and getchar() ? Post: 302738993

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I wanted to make a simple program that writes chracters in a file but i didnt want to press enter .So i found the getchar which doesnt need enter.If i pass (int) getchar to putc ,in the file it shows a P character.The (int) getchar says it is equal to1734747216 so i do (int) getchar-1734747216...

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LEARN ABOUT DEBIAN

explain_getchar_or_die

explain_getchar_or_die(3)				     Library Functions Manual					 explain_getchar_or_die(3)

NAME

       explain_getchar_or_die - input of characters and report errors

SYNOPSIS

       #include <libexplain/getchar.h>
       void explain_getchar_or_die(void);

DESCRIPTION

       The  explain_getchar_or_die  function  is  used	to  call the getchar(3) system call.  On failure an explanation will be printed to stderr,
       obtained from explain_getchar(3), and then the process terminates by calling exit(EXIT_FAILURE).

       This function is intended to be used in a fashion similar to the following example:
	      int c = explain_getchar_or_die();

       Returns:
	       This function only returns on success.  On failure, prints an explanation and exits.

SEE ALSO

       getchar(3)
	       input of characters

       explain_getchar(3)
	       explain getchar(3) errors

       exit(2) terminate the calling process

COPYRIGHT

       libexplain version 0.52
       Copyright (C) 2008 Peter Miller

															 explain_getchar_or_die(3)

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