In addition to Weibo, there is also WeChat
Please pay attention
WeChat public account
Shulou
2025-01-18 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Internet Technology >
Share
Shulou(Shulou.com)05/31 Report--
This article mainly explains "what is the void* pointer in c language". Interested friends may wish to have a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn what the c language void* pointer refers to.
1. The void* pointer is a pointer, which also points to the data of a certain address in memory, but the data type in memory is uncertain, so you need to convert the type when using it.
2. Void means untyped, an untyped pointer that can point to any type of data.
Example
# include int main (void) {int num1 = 1; char char1 = 'bounded; / * define two void pointer types * / void * void_pointer_1; void * void_pointer_2; / * point different void pointers to different data types * / void_pointer_1 = & num1; void_pointer_2 = & char1 Printf ("void_pointer_1:%d,void_pointer_2:%c\ n", * ((int *) void_pointer_1), * ((char *) void_pointer_2)); void_pointer_2 = & num1; printf ("void_pointer1:%d\ n", * ((int *) (void_pointer_2); float float_1 = 1.25f; float* float_pointer = & float_1; void* void_float_pointer / * * assign the float type pointer to the void type pointer * / void_float_pointer = float_pointer; printf ("float_pointer:%f\ n", * ((float *) void_float_pointer)); return 0;} at this point, I believe you have a better understanding of "what the c language void* pointer refers to". You might as well do it in practice! Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!
Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.
Views: 0
*The comments in the above article only represent the author's personal views and do not represent the views and positions of this website. If you have more insights, please feel free to contribute and share.
Continue with the installation of the previous hadoop.First, install zookooper1. Decompress zookoope
"Every 5-10 years, there's a rare product, a really special, very unusual product that's the most un
© 2024 shulou.com SLNews company. All rights reserved.