Getting terminal width in C?

Getting terminal width in C?

Jun 21 '09 Comments: Answers: 8

118

I've been looking for a way to get the terminal width from within my C program. What I keep coming up with is something along the lines of:

#include <sys/ioctl.h>
#include <stdio.h>

int main (void)
{
    struct ttysize ts;
    ioctl(0, TIOCGSIZE, &ts);

    printf ("lines %d\n", ts.ts_lines);
    printf ("columns %d\n", ts.ts_cols);

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