Answer Posted / c.p.senthil

Generic Box routine,
to draw with prescribed length and width

// function defintion
void drawBox(int length, int width)
{
int i, j;

for(i=0; i<length; i++)
printf("_");
printf("\n");

for(j=0; j<width-1; j++)
{
printf("|");
for(i=0; i<(length-2); i++)
printf(" ");
printf("|");
printf("\n");
}

printf("|");
for(i=0; i<length-2; i++)
printf("_");
printf("|");
}

// function call
drawBox(30, 5);

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