terminal size in c
#include <sys/ioctl.h>
#include <stdio.h>
#include <unistd.h>
int main (int argc, char **argv)
{
struct winsize w;
ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
printf ("lines %d\n", w.ws_row);
printf ("columns %d\n", w.ws_col);
return 0; // make sure your main returns int
}size of an array c
int a[20];
int length;
length = sizeof(a) / sizeof(int);Copyright © 2021 Codeinu
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