unistd.h is a C/C++ header files contains needed to provide access to the POSIX operating systems
Links:
https://en.wikipedia.org/wiki/Unistd.h
https://pubs.opengroup.org/onlinepubs/009695399/basedefs/unistd.h.html
Questions tagged [unistd.h]
175 questions
-1
votes
1 answer
Some man pages not found
Ubuntu 12.04...
I had fedora a couple of years back and I saw the man pages for the following there...
unistd.h,
sys/types.h,
standard typedefs (suffixed by "_t") etc.
I tried this...
man unistd
But it didn't find it :(
I think those pages are not…
Sam
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-2
votes
3 answers
How to pause the C program?
Fixed
system("read -r -p \"Press any key to continue...\" key")
I am now writing a command line tool and using C language, but I am wondering how to pause the program? (Not abort it, but can be re-continued) I was trying to make it like "Press…
Coder BTS
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-2
votes
1 answer
Implementing a custom unistd.h for windows to work on Visual Studio - problems
I've inherited source code for a dll file that was originally written for linux. I'm using windows and visual studio and a change to linux is a no can-do, unfortunately. In particular, one of the classes requires unistd.h.
Since windows does not…
Martin K
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-2
votes
2 answers
Using chdir() Causes Segmentation Fault
I'm writing a batch emulator as a personal project. I'm trying to implement the cd command using chdir() from unistd.h. However, using this causes a segfault.
main.cpp:
#include
#include
#include
#include…
Kookerus
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-3
votes
0 answers
execve() always fails even with PATH set
Im trying to use execve() with set variables, but i tried using getenv() and setting HOME at the start and it never works
#include
#include
#include
#include
int main( ){
char *args[] = {…
AGEERRTT
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- 1
-3
votes
4 answers
Why this code freezes, when i'm trying to use write (man 2 write) function?
I'm trying to write test, in which some data should be read from file descriptor, so i'm using dup and pipe functions to check this.
int main()
{
char *line;
int out;
int p[2];
char *str;
int len = 50;
…
Vladimir
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-3
votes
1 answer
Read from stdin until EOF
I am having trouble reading from stdin constantly until CTRL+D is pressed. I have to use read() from unistd.h. I am trying to simulate the cat function. Is there a way to make my buffer (which I print with %s) to look neat without the unnecessary…
Alex
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-3
votes
1 answer
Error code in C
I am having error with my code below
#include
#include
#include
int main()
{
int i, status;
pid_t child;
child=fork();
if(child == 0){
for(i=0; i<10; i++){
…
adadeh
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-5
votes
1 answer
Sleep() Function not timing properly in C
I've been coding some simple things such as printing statements but I wanted to have my processor sleeping to not have too many printing statements at the same time.
I've used the library unistd.h and used the function sleep().
The problem I have…
Paul Banus
- 27
- 7
-5
votes
1 answer
C: unable to print from file
So I have this project where I need to open a file and print the contents in C, but I have to use unix system calls. However I'm not to clear as to why nothing prints. I try to run the code, but it seems to skip straight to the close error. I'm…
user3300735
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