How to create an executable by linking multiple object files / c source ?
As we have seen in our another posts “How to create Shared Library in Linux ?” we … Read more
C Programs
C code for safe read and write from a file
Below functions make sure we are safely and completely reading and writing from a file pointer fd, … Read more
C program in Linux to find the current working directory (PWD)
getcwd, getwd, get_current_dir_name functions return a null-terminated string containing an absolute pathname that is the current working … Read more
C program to convert integer number to string
Following program converts integer number 42 to string “42” using sprintf. sprintf() writes to the character string. … Read more
How to write Comments in C Program ?
In C program, comments doesn’t have any use other than for better understanding of the developers of … Read more
How to use gdb for debugging application programs ( On Ubuntu Linux using C program )
In this post, we will create a simple C program, compile it with debugging enabled and then … Read more
Sending ARP request and receiving ARP Reply using C code
This post is in continuation of our previous post “Understanding ARP (Address Resolution Protocol) basics“ To visualise … Read more
C program to know storage size of int, char and float
To get the exact size of a type or a variable on a particular platform, you can … Read more
How to solve : error: invalid operands to binary % (have ‘float’ and ‘double’)
If you are trying to run modulo / remainder operator like below, there are higher chances you … Read more
C program for using modulo operator, finding if number is dividable and print remainder.
The remainder operator (otherwise known as the modulo operator) % is a binary operator (i.e., takes exactly … Read more
