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system call

Witty Wolf answered on February 10, 2023 Popularity 9/10 Helpfulness 1/10

answer system call

system call

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#include <stdio.h>
#include <fcntl.h> // open modes
#include <stdlib.h> // exit

#include <sys/types.h>
#include <sys/stat.h>

int main() 
{ 
  int fd = open("systemcalls.c", O_RDWR); 
  char buff[100]; 

  if(fd < 0) { 
    printf("Cannot open file\n");
    exit(-1); 
  }

  int count = 0; 
  while((count = read(fd, buff, 100)) > 0) 
    write(1, buff, count); 
  
}

Popularity 9/10 Helpfulness 1/10 Language whatever

Source: lms.sltc.ac.lk

Tags: call system whatever

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Contributed on Feb 10 2023

Witty Wolf

0 Answers Avg Quality 2/10

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