C Archives - Page 20 of 22

makefile:4: *** missing separator. Stop

This is my makefile: all:ll ll:ll.c gcc -c -Wall -Werror -02 c.c ll.c -o ll $@ $< clean : \rm -fr ll When ...

April 27, 2022
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What is size_t in C?

I am getting confused with size_t in C. I know that it is returned by the sizeof operator. But what exactly is it? ...

April 23, 2022
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How do you pass a function as a parameter in C?

I want to create a function that performs a function passed by parameter on a set of data. How do you pass a ...

April 23, 2022
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Using boolean values in C

C doesn’t have any built-in boolean types. What’s the best way to use them in C? 18 s 18 From best to worse: ...

April 20, 2022
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Difference between malloc and calloc?

What is the difference between doing: ptr = malloc (MAXELEMS * sizeof(char *)); or: ptr = calloc (MAXELEMS, sizeof(char*)); When is it a ...

April 19, 2022
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Why are these constructs using pre and post-increment undefined behavior?

#include <stdio.h> int main(void) { int i = 0; i = i++ + ++i; printf("%d\n", i); // 3 i = 1; i = ...

April 18, 2022
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Unit Testing C Code [closed]

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question ...

April 17, 2022
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typedef struct vs struct definitions [duplicate]

[*] This question already has answers here: Why should we typedef a struct so often in C? (15 answers) Closed 5 years ago. ...

April 17, 2022
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What is the difference between a definition and a declaration?

The meaning of both eludes me. 25 s 25 A declaration introduces an identifier and describes its type, be it a type, object, ...

April 16, 2022
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Obfuscated C Code Contest 2006. Please explain sykes2.c

How does this C program work? main(_){_^448&&main(-~_);putchar(--_%64?32|-~7[__TIME__-_/8%8][">'txiZ^(~z?"-48]>>";;;====~$::199"...

April 16, 2022
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