Programming Languages

Understanding Linux Signals with simple C program

Signals are a limited form of inter-process communication (IPC), typically used in Unix, Unix-like, and other POSIX-compliant … Read more

Identify / Test file types in Linux using C program stat API

The file mode, stored in the st_mode field of the file attributes, contains two kinds of information: … Read more

C program to delete a file – remove API

In this simple C program, we demonstrate how to use Remove System call from C to delete … Read more

C program to verify the integrity of a file with md5 checksum

Most of the times we downloaded some files from the internet, and we also see people provides … Read more

Check if a File Exists in C

If we want to see whether certain file exists or not before doing some operation like read/write … Read more

Debugging using C macros __FILE__ and __func__ and __LINE__

Following program shows a sample example of how we can use C macros __FILE__ , __func__ and … Read more

C program to read the contents of a file into character buffer

Lets say we want to read the contents of some file and want to operate on these … Read more

How to resolve: error: initializer element is not constant

Sometimes during complex programing, there are chances we make some mistakes during hurry to write and complete … Read more

Error Handling in C programs using errno, perror and strerror

The perror() function produces a message on standard error describing the last error encountered during a call … Read more

Arrays in Go language with Simple example

The below program initialises a static array of 7 elements and prints the values of each element … Read more