C Archives - Page 8 of 22

How can I round a float value (such as 37.777779) to two decimal places (37.78) in C? 17 Answers 17

I want to write a function that returns the nearest next power of 2 number. For example if my input is 789, the ...

For instance: Bool NullFunc(const struct timespec *when, const char *who) { return TRUE; } In C++ I was able to put a /*...*/ ...

This question already has answers here: Is there a difference between foo(void) and foo() in C++ or C? (4 answers) func() vs func(void) ...

I’ve been reading about div and mul assembly operations, and I decided to see them in action by writing a simple program in ...

I have below a simple program: #include <stdio.h> #define INT32_MIN (-0x80000000) int main(void) { long long bal = 0; if(bal < INT32_MIN ) ...

I have a C program that aims to be run in parallel on several processors. I need to be able to record the ...

Is there any reason (other than syntactic ones) that you’d want to use FILE *fdopen(int fd, const char *mode); or FILE *fopen(const char ...

My compiler (GCC) is giving me the warning: warning: implicit declaration of function Please help me understand why is it coming. 9 Answers ...

The C standard guarantees that size_t is a type that can hold any array index. This means that, logically, size_t should be able ...