fgets Questions

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I try to debug some code in vs code. Everything works fine, but when I trying input something in console nothing happens. my code: #include <stdio.h> #define SIZE 20 int main() { char arr[...
Valet asked 11/11, 2020 at 12:9

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I am trying to read every line of a text file into an array and have each line in a new element. My code so far. <?php $file = fopen("members.txt", "r"); while (!feof($file))...
Staffer asked 28/5, 2011 at 4:40

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I want to Learn php & mySQL and I purchased a book (php&mySql: the missing manuals 2edition) I installed Wampserver2.4 on win8 64bit machine. Server Configuration Apache Version : 2.4.4 ...
Finecut asked 17/1, 2014 at 11:34

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I am trying to get some data from the user and send it to another function in gcc. The code is something like this. printf("Enter your Name: "); if (!(fgets(Name, sizeof Name, stdin) != NULL)) { ...
Gustave asked 22/4, 2010 at 19:21

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#include <stdio.h> int main() { char name[10]; for(int i=0;i<=10;i++) { printf("Who are you? "); if(fgets(name,10,stdin)!=NULL) printf("Glad to meet you, %s.\n",name); } return(0);...
Conformation asked 4/8, 2016 at 12:55

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I started on a little toy project in C lately and have been scratching my head over the best way to mimic the strip() functionality that is part of the python string objects. Reading around for f...
Distributary asked 28/9, 2009 at 17:41

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I'm guessing it's fgets, but I can't find the specific syntax. I'm trying to read out (in a string I'm thinking is easier) the last line added to a log file.
Citreous asked 30/6, 2009 at 9:34

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I've written the following code to read a line from a terminal window, the problem is the code gets stuck in an infinite loop. The line/sentence is of undefined length, therefore I plan to read it ...
Apprehension asked 12/10, 2010 at 21:3

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When I try to compile C code that uses the gets() function with GCC, I get this warning: (.text+0x34): warning: the `gets' function is dangerous and should not be used. I remember this has so...
Telford asked 7/11, 2009 at 18:55

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Whenever I do a scanf before a fgets the fgets instruction gets skipped. I have come accross this issue in C++ and I remember I had to had some instrcution that would clear the stdin buffer or some...
Labor asked 25/5, 2010 at 17:44

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please explain it to me that what is the dfference between puts(string name) and fputs(string name,stdout) both of them have the same output especially when I use fgets(string name,n,stdin) for get...
Onitaonlooker asked 27/8, 2021 at 15:47

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I was originally parsing a file line by line using fgets(). Now I changed things so that I already have my entire file in a buffer. I still like to read that buffer line by line for parsing purpo...
Lessee asked 17/9, 2011 at 15:44

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I am running the following code: #include<stdio.h> #include<string.h> #include<io.h> int main(){ FILE *fp; if((fp=fopen("test.txt","r"))==NULL){ printf("File can't be read\n"...
Bruton asked 7/10, 2012 at 13:32

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I have a txt file that I want to read backwards, currently I'm using this: $fh = fopen('myfile.txt','r'); while ($line = fgets($fh)) { echo $line."<br />"; } This outputs all the lines i...
Attend asked 13/12, 2013 at 7:44

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fgets() is a safe function to read a line of input, but it stores the new line byte '\n' read from the file in the array if it fits. In many if not most cases, this new line must be removed before ...
Nimbostratus asked 25/1, 2021 at 22:12

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I understand the differences between fgets() and fgetss() but I don't get the difference between fgets() and fread(), can someone please clarify this subject? Which one is faster? Thanks!
Rickard asked 1/5, 2010 at 21:36

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#include <stdio.h> #include <string.h> #include <ctype.h> void delspace(char *str); int main() { int i, loops; char s1[101], s2[101]; scanf("%d", &loops); while ...
Lamentation asked 6/5, 2011 at 23:37

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I'm trying to read a binary file and store it in a buffer. The problem is, that in the binary file are multiple null-terminated characters, but they are not at the end, instead they are before othe...
Felon asked 12/7, 2014 at 18:53

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I am using fgets() to read lines from popen("ps -ev", "r") and I cannot find out how to know if fgets() reads a line partially or fully, and if partially how to read/throw away the excess. When re...
Butanol asked 24/4, 2019 at 6:3

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I am writing a C program that use fgets to read in each line from a file. The problem is that if the file have a blank line, how to skip it to get the next line ? This is what I had try so far but ...
Fathomless asked 26/9, 2014 at 4:24

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This is the description of fgets() from the man page: char *fgets(char *s, int size, FILE *stream); ... RETURN VALUE fgets() returns s on success, and NULL on error or when end of file occurs w...
Sheol asked 14/12, 2017 at 15:51

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I am playing around with signals in C. My main function basically asks for some input using fgets(name, 30, stdin), and then sits there and waits. I set an alarm with alarm(3), and I reassigned SIG...
Etna asked 10/9, 2017 at 22:45

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Upon looking at the ISO C11 standard for fgets §7.21.7.2, 3, the return value is stated regarding the synopsis code: #include <stdio.h> char *fgets(char* restrict s, int n, FILE* restrict str...
Valedictory asked 23/7, 2017 at 4:33

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fgets(input,sizeof(input),stdin); if (strcmp(input, "quit") == 0){ exit(-1); } If I type quit, it does not exit the program; I'm wondering why this is the case. By the way input is declar...
Diagram asked 18/11, 2012 at 19:35

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I have a file in which I'd like to iterate without processing in any sort the current line. What I am looking for is the best way to go to a determined line of a text file. For example, storing the...
Heterogeneous asked 29/5, 2017 at 14:10

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