C Archives - Page 7 of 22

Which format specifier should I be using to print the address of a variable? I am confused between the below lot. %u – ...

If C does not support passing a variable by reference, why does this work? #include <stdio.h> void f(int *j) { (*j)++; } int ...

What is the difference between read() and recv(), and between send() and write() in socket programming in terms of performances, speed and other ...

I have to define a 24-bit data type.I am using char[3] to represent the type. Can I typedef char...

How do you compare two instances of structs for equality in standard C? 11 Answers 11

Why, when printing a number in hexadecimal as an 8 digit number with leading zeros, does %#08X not display the same result as ...

I wrote this function to read a line from a file: const char *readLine(FILE *file) { if (file == NULL) { printf("Error: file ...

I have recently started to learn C and I am taking a class with C as the subject. I’m currently playing around with ...

Trying to create a macro which can be used for print debug messages when DEBUG is defined, like the following pseudo code: #define ...

Is an array’s name a pointer in C? If not, what is the difference between an array’s name and a pointer variable? 9 ...