calloc

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Why calloc takes two arguments while malloc only one?

IMO one is enough, why does ca开发者_JS百科lloc require to split it into two arguments?I\'d guess that this is probably history and predates the times where C had prototypes for functions. At these ti[详细]

2023-04-06 22:10 分类：问答
Calloc simple problem

char* lw; if((lw=(char *)calloc(2, sizeof(char))==0)) printf(\"Failed to allocate.\\n\"); else printf(\"a开发者_开发问答llocated %p\\n\", lw);[详细]

2023-04-04 21:54 分类：问答
Manual allocation in a stringbuffer object

For a small to-be-embedded application, I wrote a few functions + struct that work as String Buffer (similar to std::stringstream in C++).[详细]

2023-04-01 18:30 分类：问答
Calloc causing segmentation fault

Here is my code: #include <stdio.h> #include <stdlib.h> int main(){ int n=10; char *s= calloc(2,sizeof(char));[详细]

2023-03-22 04:22 分类：问答
Do NSThread have same memory privileges as main thread?

I\'m using NSOperationQueue to manage a phase of an iOS application which is quite long so I would like to manage it asynchronously. Inside that phase I allocate big arrays in C by using directly call[详细]

2023-03-19 04:24 分类：问答
What's the best method to free memory?

I\'m working on ANSI C. I have a string object which created with array of char.. I think the object make a memory leak..[详细]

2023-03-13 16:42 分类：问答
Calloc providing a pointer that begins inside already allocated memory?

I\'m getting some kind of pointer collision, Basically, in one function I do, a = calloc(1,28); // gives me 0x100100d10[详细]

2023-03-05 05:20 分类：问答
determine length of calloc array of TCHARs (not string length) [duplicate]

This question already has answers here: Determine size of dynamically allocated memory in C (15 answers)[详细]

2023-02-26 06:31 分类：问答
C best way to clear an array of doubles

In C, How can 开发者_JAVA百科I reset a given pointer to have all values in an array be a specified value? Is it best using a for loop, or is there a function that I can use to set all values in an arr[详细]

2023-02-18 05:10 分类：问答
initializing a data structure in C to manage a pool of memory

i am writing a simple function for a library, that will take in as a parameter the size of memory to be managed by my other functions.[详细]

2023-02-15 04:05 分类：问答