Sprintf format
Sprintf format
The sprintf format of Ruby is basically the same as that of C language sprintf (3. But there are still some differences: it does not have modifiers for C-specific types, such as short or long; it contains 2-digit
Sprintf
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The string formatting command is mainly used to write formatted data into a string. Sprintf is a variable parameter function, which often causes problems when used, and as long as there is a problem,
printf is probably the second function that many programmers come into contact with when they start learning C (I guess the first one is main), but it's an old friend, but do you know much about this old friend? Do you know much about his twin
Printf may be the second function that many programmers encounter when learning C language (I guess the first function is main). It is naturally an old friend. However, do you know much about this old friend? Do you know more about sprintf? When
sprintfString formatting commands, the main function is to write formatted data into a string. sprintf is a variable parameter function, often problems when used, and as long as the problem is usually can cause the program crashes the memory access
Function:Write formatted data into a stringHeader file:Stdio. hFunction prototype:Int sprintf (char * buffer, const char * format, [argument]… );Parameter List:Buffer: char pointer, pointing to the string address to be written.Format: char pointer.
Sprintf and printf, sprintfprintf
Sprintf has almost the same usage as printf, but the printing destination is different. The former is printed to the string, and the latter is directly output on the command line. This also
Function:
Write formatted data into a string
Header file:
Stdio. h
Function prototype:
Int sprintf (char * buffer, const char * format, [argument]… );
Parameter List:
Buffer: Char pointer, pointing to the string address to be written.
Format: Char
Explanation of sprintf usage in C Language 21:48:37
Tags: original sprintf files in C language, which can be reproduced. During reprinting, you must mark the original source, author information, and statement in the form of a hyperlink. Otherwise,
Program use cases for the sprintf () function:
#include
#include
int main (void)
{
Char buffer[80];
sprintf (buffer, "an approximation of Pi is%f\n", M_PI);
puts (buffer);
return 0;
}
The role of sprintf is to output a formatted string to a
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