Original addressOne, Printf output formatThe general form of a format string in C is:%[flag [output minimum width] [. precision] [length] type, where the entry in square brackets [] is optional. The meanings of the items are described as follows:1.
Variable-length parameters in C language are rarely used in self-designed interfaces during development. However, printf is the most commonly used parameter interface, while feeling the strong charm of printf, do you want to figure out how printf is
The printf function is called the format output function, and the last letter F of its keyword is the meaning of format. The function is to display the specified data to the display screen according to the user-specified format. We have used this
There are some mistakes in it, watch it.
1.va_start () va_end () function application (http://www.daydreaming.com.cn/article/2007-5-31/1838-1.htm)
1: When you cannot list the type and number of all arguments for the pass-through function , you can
C language printf output format control, printf output format
C language printf output format Control
Printf is familiar to everyone, but it is rare to estimate its usage. Go to another article and organize it in another day.
1. Conversion
C language: a typical case that involves the pointer function return value and printf garbled and memory stack. A typical case of printfA strange C language problem involves pointers, arrays, stacks, and printf. The following implementation:
C Language notes-printf () function, C Language notes printf
First look at the example:printf("This line has only controlling strings.\n"); 'Printf ("I am % d years old and % f inch tall", 21,132 );
ParametersThe parameters of printf () are
4. Data type IntroductionData: Text data, audio, video, images, numbersThere are 5 Big data types in C: Basic type, constructed type, null type, pointer type, custom typeBasic data type:integer long int integer int (4) end integer short intReal
Abstract: printf seems to be one of the most powerful functions in the C language library, not only because it can format the output, but also because it has no limit on the number of parameters, if you need a few, you can give them a few. Printf is
The built-in function usage of printf () for PHP string operations php indicates that many of the most common print output functions are echo print () printf () spintf.
The echo and print () functions are the same, but print () has the return
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.