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C Programming Eof Error

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here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more c programming eof while loop about Stack Overflow the company Business Learn more about hiring developers or posting c programming eof character ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack eof error java Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up What is EOF in the C programming language? up vote 21 eof error in python down vote favorite 18 How do you get to see the last print? In other words what to put in for EOF? I checked the definitions and it says EOF is -1. And if you enter Ctrl-D you won't see anything. #include int main() { int c; while((c = getchar() != EOF)) { printf("%d\n", c); } printf("%d - at EOF\n", c); } c input eof share|improve this question

Eof Error Golang

edited Oct 24 '15 at 17:41 Undo♦ 18.3k157399 asked Nov 23 '09 at 9:39 Chris_45 2,575154168 Do you mind to clarify? What is your question? –qrdl Nov 23 '09 at 9:41 I want to put in EOF and get to see printf("%d - at EOF\n", c); –Chris_45 Nov 23 '09 at 9:45 and EOF is said to be -1 but it interprets that as three characters and puts out three 1's –Chris_45 Nov 23 '09 at 9:46 1 @reinierpost: EOF in C is a macro defined in stdio.h. –Lucas Nov 23 '09 at 10:27 2 I found this very useful: latedev.wordpress.com/2012/12/04/all-about-eof –Koray Tugay Jan 13 '15 at 16:44 | show 1 more comment 8 Answers 8 active oldest votes up vote 30 down vote accepted On Linux systems and OS X, the character to input to cause an EOF is Ctrl-D. For Windows, it's Ctrl-Z. Depending on the operating system, this character will only work if it's the first character on a line, i.e. the first character after an Enter. Since console input is often line-oriented, the system may also not recognize the EOF character until after you've followed it up with an Enter. And yes,

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Eof Error When Reading A Line

posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss eof error in jmeter Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes eof error python raw_input a minute: Sign up while ((c = getchar()) != EOF) Not terminating up vote 2 down vote favorite I've been reading "The C Programming Language" and I got to this part of inputs and outputs. I've read other threads saying http://stackoverflow.com/questions/1782080/what-is-eof-in-the-c-programming-language that the console doesn't recognize enter as EOF. So that I should use CTRL + Z in Windows or CTRL + D in Unix (neither of those is working for me). I also read other people asking the same saying they could make it work, the problem in their codes was syntax not the program not terminating. Is there another solution? This is the code: #include main() { int nb, nl, nt, c; nb = 0; nl = 0; nt http://stackoverflow.com/questions/18565663/while-c-getchar-eof-not-terminating = 0; while ((c = getchar()) != '\n'){ if (c == ' ') ++nb; else if (c == '\n') ++nl; else if (c == '\t') ++nt; } printf("Input has %d blanks, %d tabs, and %d newlines\n", nb, nt, nl); } Edit: The \n was supposed to be an EOF, I was messing around before I posted and I forgot I changed it :P It doesn't work with EOF neither, I just skipped that one. c eof share|improve this question edited Aug 22 at 14:53 alex 265k128650803 asked Sep 2 '13 at 4:29 user2738586 31125 2 In while condition (c = getchar()) != '\n') , \n should be EOF –Grijesh Chauhan Sep 2 '13 at 4:30 2 I don't see != EOF in your code –user93353 Sep 2 '13 at 4:35 your code above will accept '\n' as terminating condition –LÆ°u VÄ©nh Phúc Sep 2 '13 at 4:37 1 Please edit your question so we can see the actual code you're running, which presumably does refer to EOF. Copy-and-paste the source code; don't re-type it. while ((c = getchar()) != EOF) should work. Are you on Windows or Unix/Linux? Describe (in your question, not in a reply to this comment) exactly what input you're giving when you run the program. –Keith Thompson Sep 3 '13 at 3:23 I connect to Ubuntu with putty, for me CTRL+DD will send an EOF condition. –Daan Sep 12 '15 at

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the operation. Since EOF is used to report both end of file and random errors, it’s often better to use the feof function to check explicitly for end of file and ferror to check for errors. These functions check indicators that are part of the internal state of the stream object, indicators set if the appropriate condition was detected by a previous I/O operation on that stream. Macro: int EOF This macro is an integer value that is returned by a number of narrow stream functions to indicate an end-of-file condition, or some other error situation. With the GNU C Library, EOF is -1. In other libraries, its value may be some other negative number. This symbol is declared in stdio.h. Macro: int WEOF This macro is an integer value that is returned by a number of wide stream functions to indicate an end-of-file condition, or some other error situation. With the GNU C Library, WEOF is -1. In other libraries, its value may be some other negative number. This symbol is declared in wchar.h. Function: int feof (FILE *stream) Preliminary: | MT-Safe | AS-Safe | AC-Unsafe lock | See POSIX Safety Concepts. The feof function returns nonzero if and only if the end-of-file indicator for the stream stream is set. This symbol is declared in stdio.h. Function: int feof_unlocked (FILE *stream) Preliminary: | MT-Safe | AS-Safe | AC-Safe | See POSIX Safety Concepts. The feof_unlocked function is equivalent to the feof function except that it does not implicitly lock the stream. This function is a GNU extension. This symbol is declared in stdio.h. Function: int ferror (FILE *stream) Preliminary: | MT-Safe | AS-Safe | AC-Unsafe lock | See POSIX Safety Concepts. The ferror function returns nonzero if and only if the error indicator for the stream stream is set, indicating that an error has occurred on a previous operation on the stream. This symbol is declared in stdio.h. Function: int ferror_unlocked (FILE *stream) Preliminary: | MT-Safe | AS-Safe | AC-Safe | See POSIX Safety Concepts. The ferror_unlocked function is equivalent to the ferror function except that it does not implicitly lock the stream. This function is a GNU extension. This symbol is declared in stdio.h. In addition to setting the error indicator associated with the stream, the functions that operate on streams also set errno in the same way as the corresponding low-level functions that opera

 

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