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Questions - stdio

How can I generate a random number in C

I want to generate a random number/character without using any libraries but <stdio.h>. Is there any possibility to do that? I mean, by doing some weird loop or something like that, I don't care...
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reshi

c

random

stdio

Votes: 0

Answers: 1

Latest Answer

#include <stdio.h> int main() { int *f, e = 3; f = &e; printf("%d", f); return 0; } its not realy random but the best you can do with stdio.h you have a pointer...
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zlSxrtig

Capturing the *complete* output stream of a child_process in NodeJS

I've been trying to capture the output of a child_process for a while now. The following code example is my current attempt. Code: // Spawning a shell var terminal = require('child_process').spawn(`sh...
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santcleep

node.js

stdout

stdin

child-process

stdio

Votes: 0

Answers: 1

Latest Answer

It is not possible to show the prompt from a child process shell because bash (and I assume other shells) don't output the prompt to stdout. See this post for details. You can simulate it by writing t...
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kevintechie

fscanf() not writing value scaned from file

I wrote some functions. typedef struct { unsigned long long studentID; DATE date; char address[256]; unsigned short isInfected; }NAT; int ReadAllNAT(NAT** AllNATPtr) { FILE* NATSe...
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CloudRing

c

stdio

Votes: 0

Answers: 1

Latest Answer

How to make "fscanf()" works properly? (OP used the wrong format, wrong specifiers, %s lacked width & swapped 2 structure members) Do not use fscanf() to read as it makes error detecti...
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chux - Reinstate Monica

My prints in the standard output aren&#39;t in good order

i want to do a function that deletes printed characters in the standard output. However it turns out that it prints the '\b' before my actual printf I tried to print a t it prints it before as well. I...
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nguiard

c

stdio

unistd.h

Votes: 0

Answers: 1

Latest Answer

The problem you have is pretty simple. The standard library maintains a buffer of data it's writing to each file (including standard output). printf writes data to that buffer. write normally does not...
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Jerry Coffin

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